CN104212427B - Method for preventing corrosion of sand control pump tail pipe used for sand production well - Google Patents
Method for preventing corrosion of sand control pump tail pipe used for sand production well Download PDFInfo
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- CN104212427B CN104212427B CN201310220181.4A CN201310220181A CN104212427B CN 104212427 B CN104212427 B CN 104212427B CN 201310220181 A CN201310220181 A CN 201310220181A CN 104212427 B CN104212427 B CN 104212427B
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- sand
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- imidazoline
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- 230000007797 corrosion Effects 0.000 title claims abstract description 51
- 238000005260 corrosion Methods 0.000 title claims abstract description 51
- 239000004576 sand Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- -1 imidazoline quaternary ammonium salt Chemical class 0.000 claims abstract description 39
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 36
- 210000002445 nipple Anatomy 0.000 claims description 22
- 238000005660 chlorination reaction Methods 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 20
- 241000254175 Anthonomus grandis Species 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- 230000002378 acidificating effect Effects 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 150000001924 cycloalkanes Chemical class 0.000 claims description 11
- 239000000344 soap Substances 0.000 claims description 11
- JACTTWVLMNPJQA-UHFFFAOYSA-N azane;quinoline Chemical compound N.N1=CC=CC2=CC=CC=C21 JACTTWVLMNPJQA-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000013019 agitation Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 210000003298 dental enamel Anatomy 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- OCBHHZMJRVXXQK-UHFFFAOYSA-M benzyl-dimethyl-tetradecylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 OCBHHZMJRVXXQK-UHFFFAOYSA-M 0.000 claims 2
- CMZYLMKDSCRFQV-UHFFFAOYSA-N CC1=NC2=CC=CC=C2C=C1.N Chemical compound CC1=NC2=CC=CC=C2C=C1.N CMZYLMKDSCRFQV-UHFFFAOYSA-N 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 239000003112 inhibitor Substances 0.000 abstract description 3
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 abstract description 2
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 abstract 1
- 229940073608 benzyl chloride Drugs 0.000 abstract 1
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 1
- 239000000194 fatty acid Substances 0.000 abstract 1
- 229930195729 fatty acid Natural products 0.000 abstract 1
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 9
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 9
- 239000004094 surface-active agent Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003129 oil well Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 101150052985 cids-1 gene Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003348 petrochemical agent Substances 0.000 description 2
- IFCOMSZHIDTXOT-UHFFFAOYSA-N 4,5-dihydro-1h-imidazole;sulfuric acid Chemical compound C1CN=CN1.OS(O)(=O)=O IFCOMSZHIDTXOT-UHFFFAOYSA-N 0.000 description 1
- 235000011158 Prunus mume Nutrition 0.000 description 1
- 244000018795 Prunus mume Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- SMWDFEZZVXVKRB-UHFFFAOYSA-N anhydrous quinoline Natural products N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Lubricants (AREA)
Abstract
The invention relates to a method for preventing the corrosion of a sand control pump tail pipe used in a sand production well, which comprises the following steps of mixing 12.5-13.0% by weight of imidazoline quaternary ammonium salt IS-130; 7.5 to 8.5 percent of 2-alkyl-1- (N-polyoxyethylene-2-aminoethyl) imidazoline-1-benzyl ammonium chloride fatty acid salt; 15.8 to 16.5 percent of naphthenic acid imidazoline glacial acetate; 10.2 to 11.0 percent of naphthenic acid radical 1- (2-ethoxyl) imidazoline quaternary ammonium salt; benzyl chloride alpha-naphthylmethyl quinoline ammonium condensate, 3.5-5.0%; 4.0 to 4.5 percent of N-aminoethyl dodecyl imidazoline thioether; propiolic alcohol, 1.5-2.0 percent, and the rest of the corrosion inhibitor of the methanol are put into a tail pipe of the sand control pump; after the corrosion inhibitor is added into the tail pipe of the sand control pump used in a sand production well, the corrosion of the tail pipe is not found after more than 100 wells are applied.
Description
Technical field
The present invention relates to a kind of method preventing sand well from using the corrosion of sand-preventing pump tail pipe.
Background technology
On sand well, it is existing that conventional oil well pump often occurs that sand card plunger, sand bury sucker rod, sand milling pump barrel and plunger etc.
As, make oil well pump premature failure.Technical staff devises the sand-preventing pump that long-plunger short pump barrel combines with annular space sand setting, successfully should
With well more than 700 time, extend sand well and be excused from a college course phase more than 3 times, reduce production cost.But to some High water cut, high mineralization
The sand well of degree, " stagnant water " in tail pipe often results in tail pipe corrosion failure, causes sand-preventing pump cisco unity malfunction, and oil well needs
Tail pipe is changed in operation to be repeated, and increases oil recovery production cost.
Summary of the invention
It is an object of the invention to: a kind of method preventing sand well from using the corrosion of sand-preventing pump tail pipe is provided.Make at inspection pump
During industry, the corrosion inhibiter of exploitation is added in sand-preventing pump tail pipe, enter sand-preventing pump down, play the effect preventing tail pipe from corroding.
A kind of method preventing sand well from using the corrosion of sand-preventing pump tail pipe of the present invention, step is as follows:
Step 1: preparing each component percentage by weight of corrosion inhibiter A: corrosion inhibiter A is:
Imidazoline quaternary ammonium salt IS-130,12.5-13.0%；
Chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-benzyl group ammonium soap, 7.5-8.5%；
Naphthenic acid imidazoline glacial acetic acid salt, 15.8-16.5%；
Cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, 10.2-11.0%；
The condensation substance of chlorination benzyl group α-menaphthyl quinoline ammonium, 3.5-5.0%；
N-amine ethyl lauryl imidazoline thioether, 4.0-4.5%；
Propilolic alcohol, 1.5-2.0%,
Remaining is methanol；
First, by imidazoline quaternary ammonium salt IS-130, chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-
Benzyl group ammonium soap, naphthenic acid imidazoline glacial acetic acid salt, cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, chlorination benzyl group
The condensation substance of α-menaphthyl quinoline ammonium, N-amine ethyl lauryl imidazoline thioether, seven kinds of components of propilolic alcohol are by weight adding
Enamel reaction still；Slowly it is warmed up to 45～50 DEG C, after stirring 60 minutes, adds methanol under constant agitation, continue stirring
After 60 minutes, stopping heating, cooling limit, limit is stirred, and cools down room temperature, obtains corrosion inhibiter A.
Described propilolic alcohol colourless transparent liquid, has Herba Pelargonii Graveolentis abnormal smells from the patient, is long placed in easy yellowing when especially meeting light；Be dissolved in water, alcohol,
Ether；As rust remover, chemical intermediate, corrosion inhibitor, solvent, stabilizer etc..Propilolic alcohol is published in 2012 prunus mume (sieb.) sieb.et zucc. equality people
Corrosion inhibition and the synergistic function of the imidazoline sulfate salt on year volume 22 the 1st phase " oil gas field environmental conservation " magazine grind
Study carefully in a literary composition and its effect is discussed in detail.
Described imidazoline quaternary ammonium salt IS-130, the another name: " China of oil field middle temperature corrosion inhibiter IS-130, Huang Hongzhou chief editor
Surfactant overview " book, Chemical Industry Press, JIUYUE the 1st edition in 2003, page 53 there is narration；Manufacturer: lake
Northing Katyuan company limited.
Described chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-benzyl group ammonium soap, another name:
Acidification of oil field corrosion inhibiter CIDS-1；Imidazoline double salt CIDS-1." China's surfactant overview " book of Huang Hongzhou chief editor, changes
Learn industry publishing house, JIUYUE the 1st edition in 2003, page 50 has narration；Manufacturer: Chemical Inst., Shandong Prov., huge port, Tianjin
Technique institute of oilfield downhole operation company.
Described naphthenic acid imidazoline glacial acetic acid salt, " China's surfactant overview " book of Huang Hongzhou chief editor, chemistry
Industry publishing house, JIUYUE the 1st edition in 2003, page 55 there is narration；Manufacturer: Yueyang general petrochemicals factory academy.
Described cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, chemical name: 2-cycloalkanes acidic group-1-2-ethoxy Bian
Ammonium chloride." China's surfactant overview " book of Huang Hongzhou chief editor, Chemical Industry Press, JIUYUE the 1st edition in 2003,
Page 55 there is narration；Manufacturer: Yueyang general petrochemicals factory academy.
The condensation substance of described chlorination benzyl group α-menaphthyl quinoline ammonium, another name: quinoline quaternary ammonium salt QN-3.Huang Hongzhou chief editor's
" China's surfactant overview " book, Chemical Industry Press, JIUYUE the 1st edition in 2003, page 103 there is narration；Factory
Family: chemical system of He'nan University.
Described N-amine ethyl lauryl imidazoline thioether, another name: 2-[2-(1-aminoethyl) imidazolinyl] propyl group ten
Dialkyl sulfide." China's surfactant overview " book of Huang Hongzhou chief editor, Chemical Industry Press, JIUYUE the 1st in 2003
Version, has narration in page 103；Manufacturer: chemical system of He'nan University.
Described methanol oil is commercially available.
Step 2: playing flow string in producing well, flow string includes: oil pipe column and sucker rod roofbolt, oil pipe column from
It is followed successively by down tubing nipple, oil pipe, sand-preventing pump pump barrel, tail pipe, plug.Sucker rod roofbolt is followed successively by 25mm from top to bottom and takes out
Beam hanger, 22mm sucker rod, 19mm sucker rod, sand-preventing pump plunger.
Step 3: under enter to prevent sand well use sand-preventing pump tail pipe corrosion flow string.Prevent sand well from using anti-
The flow string of sand pump tail pipe corrosion includes: boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Its operational approach:
(1) tail pipe 5 with plug 6 is entered under；
(2), in the tail pipe 5 with plug 6, corrosion inhibiter A is filled it up with；
(3) upper end at the tail pipe 5 with plug 6 is sequentially connected with sand-preventing pump 4, oil pipe 3, tubing nipple 2, boll-weevil hanger
1.Screwed connection between boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Step 4: after entering sand-preventing pump plunger, sucker rod roofbolt under arrangement and method for construction, completion puts into normal production.
Beneficial effects of the present invention: after adding corrosion inhibiter A in sand well uses sand-preventing pump tail pipe, more than 100 wells time should
With, do not find that tail pipe corrodes.
Accompanying drawing explanation
Fig. 1 is that the present invention prevents sand well from using the flow string structural representation of sand-preventing pump tail pipe corrosion.
In figure, 1. boll-weevil hanger, 2. tubing nipple, 3. oil pipe, 4. sand-preventing pump, 5. tail pipe, 6 plugs.
Detailed description of the invention
Described boll-weevil hanger, tubing nipple, oil pipe, plug are that downhole tool is commonly used in oil field, commercially available；
Described tail pipe is exactly conventional oil pipe, is referred to as tail pipe the most traditionally, commonly uses downhole tool for oil field, and market has
Sell；
Described sand-preventing pump, specification is φ 38, φ 44, φ 56, and Shandong Wei Mabeng industry company limited produces.
Embodiment 1
A kind of method preventing sand well from using the corrosion of sand-preventing pump tail pipe of the present invention, step is as follows:
Step 1: preparing each component percentage by weight of corrosion inhibiter A: corrosion inhibiter A is:
Imidazoline quaternary ammonium salt IS-130,12.8%；
Chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-benzyl group ammonium soap, 8%；
Naphthenic acid imidazoline glacial acetic acid salt, 16%；
Cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, 10.8%；
The condensation substance of chlorination benzyl group α-menaphthyl quinoline ammonium, 4.0%；
N-amine ethyl lauryl imidazoline thioether, 4.2%；
Propilolic alcohol, 1.8%,
Remaining is methanol；
First, by imidazoline quaternary ammonium salt IS-130, chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-
Benzyl group ammonium soap, naphthenic acid imidazoline glacial acetic acid salt, cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, chlorination benzyl group
The condensation substance of α-menaphthyl quinoline ammonium, N-amine ethyl lauryl imidazoline thioether, seven kinds of components of propilolic alcohol are by weight adding
Enamel reaction still；Slowly it is warmed up to 47 DEG C, after stirring 60 minutes, adds methanol under constant agitation, continue stirring 60 points
Zhong Hou, stops heating, and cooling limit, limit is stirred, and cools down room temperature, obtains corrosion inhibiter A.
Step 2: playing flow string in producing well, flow string includes: oil pipe column and sucker rod roofbolt, oil pipe column from
It is followed successively by down tubing nipple, oil pipe, sand-preventing pump pump barrel, tail pipe, plug.Sucker rod roofbolt is followed successively by 25mm from top to bottom and takes out
Beam hanger, 22mm sucker rod, 19mm sucker rod, sand-preventing pump plunger.
Step 3: under enter to prevent sand well use sand-preventing pump tail pipe corrosion flow string.Prevent sand well from using anti-
The flow string of sand pump tail pipe corrosion includes: boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Its operational approach:
(1) tail pipe 5 with plug 6 is entered under；
(2), in the tail pipe 5 with plug 6, corrosion inhibiter A is filled it up with；
(3) upper end at the tail pipe 5 with plug 6 is sequentially connected with sand-preventing pump 4, oil pipe 3, tubing nipple 2, boll-weevil hanger
1.Screwed connection between boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Step 4: after entering sand-preventing pump plunger, sucker rod roofbolt under arrangement and method for construction, completion puts into normal production.
Embodiment 2
A kind of method preventing sand well from using the corrosion of sand-preventing pump tail pipe of the present invention, step is as follows:
Step 1: preparing each component percentage by weight of corrosion inhibiter A: corrosion inhibiter A is:
Imidazoline quaternary ammonium salt IS-130,13.0%；
Chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-benzyl group ammonium soap, 8.5%；
Naphthenic acid imidazoline glacial acetic acid salt, 16.5%；
Cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, 11.0%；
The condensation substance of chlorination benzyl group α-menaphthyl quinoline ammonium, 5.0%；
N-amine ethyl lauryl imidazoline thioether, 4.5%；
Propilolic alcohol, 2.0%,
Remaining is methanol；
First, by imidazoline quaternary ammonium salt IS-130, chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-
Benzyl group ammonium soap, naphthenic acid imidazoline glacial acetic acid salt, cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, chlorination benzyl group
The condensation substance of α-menaphthyl quinoline ammonium, N-amine ethyl lauryl imidazoline thioether, seven kinds of components of propilolic alcohol are by weight adding
Enamel reaction still；Slowly it is warmed up to 50 DEG C, after stirring 60 minutes, adds methanol under constant agitation, continue stirring 60 points
Zhong Hou, stops heating, and cooling limit, limit is stirred, and cools down room temperature, obtains corrosion inhibiter A.
Step 2: playing flow string in producing well, flow string includes: oil pipe column and sucker rod roofbolt, oil pipe column from
It is followed successively by down tubing nipple, oil pipe, sand-preventing pump pump barrel, tail pipe, plug.Sucker rod roofbolt is followed successively by 25mm from top to bottom and takes out
Beam hanger, 22mm sucker rod, 19mm sucker rod, sand-preventing pump plunger.
Step 3: under enter to prevent sand well use sand-preventing pump tail pipe corrosion flow string.Prevent sand well from using anti-
The flow string of sand pump tail pipe corrosion includes: boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Its operational approach:
(1) tail pipe 5 with plug 6 is entered under；
(2), in the tail pipe 5 with plug 6, corrosion inhibiter A is filled it up with；
(3) upper end at the tail pipe 5 with plug 6 is sequentially connected with sand-preventing pump 4, oil pipe 3, tubing nipple 2, boll-weevil hanger
1.Screwed connection between boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Step 4: after entering sand-preventing pump plunger, sucker rod roofbolt under arrangement and method for construction, completion puts into normal production.
Embodiment 3
A kind of method preventing sand well from using the corrosion of sand-preventing pump tail pipe of the present invention, step is as follows:
Step 1: preparing each component percentage by weight of corrosion inhibiter A: corrosion inhibiter A is:
Imidazoline quaternary ammonium salt IS-130,12.5%；
Chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-benzyl group ammonium soap, 7.5%；
Naphthenic acid imidazoline glacial acetic acid salt, 15.8%；
Cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, 10.2%；
The condensation substance of chlorination benzyl group α-menaphthyl quinoline ammonium, 3.5%；
N-amine ethyl lauryl imidazoline thioether, 4.0%；
Propilolic alcohol, 1.5%,
Remaining is methanol；
First, by imidazoline quaternary ammonium salt IS-130, chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-
Benzyl group ammonium soap, naphthenic acid imidazoline glacial acetic acid salt, cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, chlorination benzyl group
The condensation substance of α-menaphthyl quinoline ammonium, N-amine ethyl lauryl imidazoline thioether, seven kinds of components of propilolic alcohol are by weight adding
Enamel reaction still；Slowly it is warmed up to 45 DEG C, after stirring 60 minutes, adds methanol under constant agitation, continue stirring 60 points
Zhong Hou, stops heating, and cooling limit, limit is stirred, and cools down room temperature, obtains corrosion inhibiter A.
Step 2: playing flow string in producing well, flow string includes: oil pipe column and sucker rod roofbolt, oil pipe column from
It is followed successively by down tubing nipple, oil pipe, sand-preventing pump pump barrel, tail pipe, plug.Sucker rod roofbolt is followed successively by 25mm from top to bottom and takes out
Beam hanger, 22mm sucker rod, 19mm sucker rod, sand-preventing pump plunger.
Step 3: under enter to prevent sand well use sand-preventing pump tail pipe corrosion flow string.Prevent sand well from using anti-
The flow string of sand pump tail pipe corrosion includes: boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Its operational approach:
(1) tail pipe 5 with plug 6 is entered under；
(2) in the tail pipe 5 with plug 6, corrosion inhibiter A is filled it up with；
(3) upper end at the tail pipe 5 with plug 6 is sequentially connected with sand-preventing pump 4, oil pipe 3, tubing nipple 2, boll-weevil hanger
1.Screwed connection between boll-weevil hanger 1, tubing nipple 2, oil pipe 3, sand-preventing pump 4, tail pipe 5, plug 6.
Step 4: after entering sand-preventing pump plunger, sucker rod roofbolt under arrangement and method for construction, completion puts into normal production.
Claims (1)
1. one kind prevents the method that sand well uses the corrosion of sand-preventing pump tail pipe, it is characterised in that:
Step 1: preparing each component percentage by weight of corrosion inhibiter A: corrosion inhibiter A is:
Imidazoline quaternary ammonium salt IS-130,12.5-13.0%；
Chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-hexadecyldimethyl benzyl ammonium soap, 7.5-8.5%；
Naphthenic acid imidazoline glacial acetic acid salt, 15.8-16.5%；
Cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, 10.2-11.0%；
The condensation substance of zephiran chloride α-menaphthyl quinoline ammonium, 3.5-5.0%；
N-amine ethyl lauryl imidazoline thioether, 4.0-4.5%；
Propilolic alcohol, 1.5-2.0%；
Remaining is methanol；
First, by imidazoline quaternary ammonium salt IS-130, chlorination 2-alkyl-1-(N-polyoxyethylene-2-amine ethyl) imidazoline-1-benzyl
Ammonium soap, naphthenic acid imidazoline glacial acetic acid salt, cycloalkanes acidic group 1-(2-ethoxy) imidazoline quaternary ammonium salt, zephiran chloride α-naphthalene
The condensation substance of methylquinoline ammonium, N-amine ethyl lauryl imidazoline thioether, seven kinds of components of propilolic alcohol add enamel by weight
Reactor；Slowly it is warmed up to 45～50 DEG C, after stirring 60 minutes, adds methanol under constant agitation, continue stirring 60 points
Zhong Hou, stops heating, and cooling limit, limit is stirred, and cools down room temperature, obtains corrosion inhibiter A；
Step 2: playing flow string in producing well, flow string includes: oil pipe column and sucker rod roofbolt, oil pipe column is from up to
Under be followed successively by tubing nipple, oil pipe, sand-preventing pump pump barrel, tail pipe, plug, sucker rod roofbolt be followed successively by from top to bottom 25mm oil pumping
Bar, 22mm sucker rod, 19mm sucker rod, sand-preventing pump plunger；
Step 3: under enter to prevent sand well use sand-preventing pump tail pipe corrosion flow string；
Prevent sand well from using the flow string of sand-preventing pump tail pipe corrosion to include: boll-weevil hanger (1), tubing nipple (2), oil
Pipe (3), sand-preventing pump (4), tail pipe (5), plug (6)；
Its operational approach: 1) under enter the tail pipe (5) with plug (6)；
2) in the tail pipe (5) with plug (6), corrosion inhibiter A is filled it up with；
3) upper end at the tail pipe (5) with plug (6) is sequentially connected with sand-preventing pump (4), oil pipe (3), tubing nipple (2), oil pipe
Hanger (1), silk between boll-weevil hanger (1), tubing nipple (2), oil pipe (3), sand-preventing pump (4), tail pipe (5), plug (6)
Button connects；
Step 4: after entering sand-preventing pump plunger, sucker rod under arrangement and method for construction, completion puts into normal production.
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| CN201310220181.4A CN104212427B (en) | 2013-06-05 | 2013-06-05 | Method for preventing corrosion of sand control pump tail pipe used for sand production well |
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| CN107365576B (en) * | 2017-07-12 | 2019-05-14 | 中国地质大学（北京） | For hypotonic or Oil in Super-low Permeability oil reservoir CO2The fluidity control system of the displacement of reservoir oil and application |
| CN113046046B (en) * | 2021-03-29 | 2023-05-16 | 中海油常州涂料化工研究院有限公司 | Corrosion inhibitor suitable for hydrochloric acid system with mass fraction of 20-28% |
| CN116410725A (en) * | 2021-12-29 | 2023-07-11 | 中国石油天然气股份有限公司 | Corrosion inhibition type foam discharging agent for gas field, preparation method and application |
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| FR2875510B1 (en) * | 2004-09-22 | 2007-05-25 | Ceca Sa Sa | TREATMENT PROCESS FOR INHIBITING THE CORRELATION OF PIPES TOWERS USED IN THE PETROLEUM INDUSTRY |
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