CN105569588A - Special cleaning head for field installation of wellhead equipment - Google Patents
Special cleaning head for field installation of wellhead equipment Download PDFInfo
- Publication number
- CN105569588A CN105569588A CN201610065593.9A CN201610065593A CN105569588A CN 105569588 A CN105569588 A CN 105569588A CN 201610065593 A CN201610065593 A CN 201610065593A CN 105569588 A CN105569588 A CN 105569588A
- Authority
- CN
- China
- Prior art keywords
- rotary body
- uniform
- tubing string
- hole
- radial hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 125000003003 spiro group Chemical group 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000254175 Anthonomus grandis Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
A special cleaning head for field installation of wellhead equipment comprises a tubular column, a rotary body, a round nut, a rolling bearing, plugs, nozzle parts and sealing rings. A stair-shaped cylinder with different diameters and on the lower portion of the tubular column is axially supported and connected with the large-diameter rotary body with a step hole in the center through the rolling bearing, the round nut and the O-type sealing ring. A plurality of step-shaped grooves are evenly formed in the outer circumference of the rotary body. A plurality of pairs of the plugs and the nozzle parts are installed in the step-shaped grooves, and the axes of the plugs and the axes of the nozzle parts are perpendicular to each other. Each plug plugs one of radial holes evenly distributed in the rotary body, inner holes in the nozzle parts are vertically communicated with the radial holes evenly distributed in the rotary body respectively, and the radial holes evenly distributed in the rotary body are communicated with radial holes evenly distributed in the lower portion of the tubular column and a main flow hole in the center of the tubular column. The upper sealing ring and the lower sealing ring are arranged between seams where the tubular column and the rotary body are matched and above and below the radial holes evenly distributed in the tubular column and in the rotary body. The cleaning head has the advantages of being high in universality, capable of automatically rotating and high in cleaning efficiency.
Description
Art
The present invention relates to petroleum machinery, the design of the aid " cleaning head " that wellhead assembly is installed.
Background technology
Wellhead assembly comprises the large ingredient of casing head, tubing head and production tree three; In oil, natural gas drilling operation process, according to the process of its drilling well, meeting is installation sleeve tube head, tubing head and production tree successively, its activity duration, tens days at least, at most some months.Along with the development of minimizing and the drilling and production technology day by day of petroleum resources, Oil/gas Well bores darker and darker, increasing pressure is high, the CASINGHEAD STRUCTURE in wellhead assembly, also from single-stage to twin-stage and multipolarity future development, its process of installing becomes increasingly complex, and the time of operation is also more and more longer.
Drillng operation all carries out in field, wilderness, work under bad environment, and fine day all over the body ash, rainy day mud is normal phenomenon; Particularly the onshore oil gas field of China, mainly concentrates on the Northwest, and wind sand is greatly the trouble affecting drillng operation and wellhead assembly installation.All-pervasive silt particle, can make precision parts in wellhead assembly cannot accurate fit, can make numerous seal fails, whole wellhead assembly can be made can not to adapt to the job requirement of high temperature, high pressure.At present, part construction brigade, when installation sleeve tube head, tubing head, takes artificial flushing method; Because hole depth is young, artificial flushing is not only wasted time and energy, and cleaning performance is poor.Also there is part construction brigade to be equipped with to use without nozzle, non-rotary simplified cleaning head, during cleaning, have dead angle, water consumption is many, the time is long.Therefore, in drilling operation process, use special high-performance cleaning head and drilling equipment supporting, be deep in the inner chamber of casing head and tubing head and go to clean silt particle, to ensure the accurate installation of the component such as Multi-stage sleeve hanger and boll-weevil hanger, ensure the heat resisting and pressure resisting performance of wellhead assembly, just necessary.
Summary of the invention
The object of the present invention is to provide that a kind of highly versatile, water pressure are high, automatic rotation and the good wellhead assembly in-site installation Special cleaning head of wash degree.
The present invention is made up of tubing string, rotary body, round nut, rolling bearing, plug, jet element and sealing ring, its unique distinction is: below tubing string different-diameter stairstepping cylinder on, with a rolling bearing, round nut with together with O RunddichtringO, axial support and be connected to the rotary body that there is stepped hole at a large diameter center; On rotary body outer circumference surface, uniform several step groove, is equipped with several to the orthogonal plug of axial line and jet element respectively in step groove; Each plug close off a radial hole uniform in rotary body, endoporus in each jet element all with a uniform radial hole vertical connection in rotary body, radial hole uniform in rotary body all communicates with the main flow hole at radial hole uniform below tubing string and center; Below tubing string, the stairstepping cylinder of different-diameter and the stepped hole at rotary body center coordinate between gap, above and below radial hole uniform in tubing string and rotary body, sealing ring and lower seal are housed.
The below being arranged on drilling rod due to the present invention uses, and high derrick can make rinse water produce very high pressure, can improve the dynamics of cleaning; Several uniform jet element on rotary body, water spray is even, and towards same direction of rotation, its reaction force can promote rotary body round tubing string automatic rotation, makes cleaning not stay dead angle, thus increases work efficiency, reduce water supply volume, ensure installation and the service property (quality) of wellhead assembly.
Accompanying drawing explanation
Fig. 1 is the integrally-built half section schematic diagram of the present invention;
Fig. 2 is A-A place in Fig. 1 of the present invention, the cut-away illustration of jet element and water stream channel.
Component title shown in attached number in the figure is as follows:
1, tubing string, 2, rotary body, 3, rolling bearing, 4, round nut, 5, O RunddichtringO, 6, lower seal, 7, plug, 8, upper sealing ring, 9, jet element, 9-1, stem stem, 9-2, case, 9-3, copper washer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
In the present invention, tubing string (1), rotary body (2), round nut (4) and jet element (9) are main parts size, and other is connector and seal.
The upper end of tubing string (1) is taper stud, connects with the drilling rod on derrick; Lower end is closely-pitched stud, is used for the round nut (4) of connecting belt O RunddichtringO (5); Top is exposed cylinder, and below is the stairstepping cylinder of different-diameter; The main flow hole entered from center, upper surface, its end communicates with the several uniform radial hole in tubing string (1) below; On the cylinder at uniform radial hole collar extension place, be processed with the cannelure of one counterpressure.
The limit, upper end of rotary body (2) is 45 ° of chamferings, and limit, lower end is 60 ° of chamferings, and centre is cylinder, and center is the stepped hole of different-diameter; On the outer circumference surface of mediate cylindrical, be processed with several uniform step groove; In uniform step groove, be processed with several uniform radial hole communicated with center stepped hole and the crossover port that communicate vertical with radial hole, the collar extension place of radial hole and crossover port, is all processed with internal thread, for installing plug (7) and jet element (9).
The annulus of round nut (4) to be cross section be rectangle, be plane up and down, centre is closely-pitched screw, outer circumference surface is processed with a groove, in-built O RunddichtringO (5); On its lower plane, be also drilled with several uniform blind hole, for the dismounting of round nut (4).
Jet element (9) is made up of stem stem (9-1), case (9-2) and copper washer (9-3); One end of stem stem (9-1), is processed into the cone that outer imperial palace is little, sprays in the form of a ring for guiding current; What be connected with cone is spiro column, for connecting case (9-2); The other end of stem stem (9-1) is spiro column, is connected with the crossover port on rotary body (2); What be connected with spiro column is prism, so that spanner dismounting; Be processed with escape in the intersection of not homomorphs, a slice copper washer (9-3) be respectively housed, with anti-leak in the two end faces of prism; Inside from one end of spiro column, be processed with a thick blind hole; From one end of cone and spiro column intersection inside, be processed with several uniform thin inclined hole communicated with thick blind hole, to distribute current uniformly.
During above main parts size assembling, the stairstepping cylinder of tubing string (1) below different-diameter is inserted in the stepped hole at rotary body (2) center, with a rolling bearing (3), round nut (4) and O RunddichtringO (5) axial support together be connected.On rotary body (2) outer circumference surface, in uniform several step grooves, load onto several to the orthogonal plug of axial line (7) and jet element (9) respectively; Each plug (7) close off a radial hole uniform in rotary body (2), endoporus in each jet element (9) all with a uniform radial hole vertical connection in rotary body (2), the main flow hole at the radial hole that radial hole uniform in rotary body (2) is all uniform with tubing string (1) below and center communicates, and forms the passage of current.Between the gap that tubing string (1) and rotary body (2) coordinate, above and below radial hole uniform in tubing string (1) and rotary body (2), sealing ring (8) and lower seal (6) are housed, in case rinse water runs off.
That installs in several step groove uniform on radial hole uniform in rotary body (2), outer circumference surface and groove is several to the orthogonal plug of axial line (7) and jet element (9), its quantity is equal, is limited between 2 ~ 6; Fig. 1 and Fig. 2 is in the present invention, and the radial hole of rotary body (2), step groove, plug (7) and jet element (9), quantity is an embodiment of 4.
In the below of tubing string (1) and rotary body (2), support be connected both a rolling bearing (3), what select is single direction thrust ball bearing; Although the bearing of other form is available, not preferred plan.In addition, the upper sealing ring (8) installed between the gap that tubing string (1) and rotary body (2) coordinate and above and below both uniform radial holes and lower seal (6), what select is all Y shape rubber seal; The opening of twice Y shape rubber seal, all uniform in tubing string (1) and rotary body (2) radial hole, under the effect of hydraulic pressure, can strengthen its sealing performance automatically; Although the sealing ring of other form also can use, difficulty has equal effect.
Claims (7)
1. a wellhead assembly in-site installation Special cleaning head, be made up of tubing string, rotary body, round nut, rolling bearing, plug, jet element and sealing ring, it is characterized in that: on the stairstepping cylinder of tubing string (1) below different-diameter, with a rolling bearing (3), a round nut (4) and O RunddichtringO (5) together, axial support and be connected to the rotary body (2) that there is stepped hole at a large diameter center; On rotary body (2) outer circumference surface, uniform several step groove, is equipped with several to the orthogonal plug of axial line (7) and jet element (9) respectively in step groove; Each plug (7) close off a radial hole uniform in rotary body (2), endoporus in each jet element (9) all with a uniform radial hole vertical connection in rotary body (2), the main flow hole at the radial hole that radial hole uniform in rotary body (2) is all uniform with tubing string (1) below and center communicates; Coordinate between gap at the stairstepping cylinder of tubing string (1) below different-diameter and the stepped hole at rotary body (2) center, above and below radial hole uniform in tubing string (1) and rotary body (2), sealing ring (8) and lower seal (6) are housed.
2. wellhead assembly in-site installation Special cleaning head according to claim 1, is characterized in that: the upper end of tubing string (1) is taper stud, and lower end is closely-pitched stud; Top is exposed cylinder, and below is the stairstepping cylinder of different-diameter; The main flow hole entered from center, upper surface, its end communicates with the several uniform radial hole in tubing string (1) below; On the cylinder at uniform radial hole collar extension place, be processed with the cannelure of one counterpressure.
3. wellhead assembly in-site installation Special cleaning head according to claim 1, is characterized in that: the limit, upper end of rotary body (2) is 45 ° of chamferings, and limit, lower end is 60 ° of chamferings, and centre is cylinder, and center is the stepped hole of different-diameter; On the outer circumference surface of mediate cylindrical, be processed with several uniform step groove; In uniform step groove, be processed with several uniform radial hole communicated with center stepped hole and the crossover port that communicate vertical with radial hole, the collar extension place of radial hole and crossover port, is all processed with internal thread.
4. wellhead assembly in-site installation Special cleaning head according to claim 1, is characterized in that: jet element (9) is made up of stem stem (9-1), case (9-2) and copper washer (9-3); One end of stem stem (9-1), is processed into the cone that outer imperial palace is little, and what be connected with cone is spiro column; The other end of stem stem (9-1) is spiro column, and what be connected with spiro column is prism; Be processed with escape in the intersection of not homomorphs, in the two end faces of prism, a slice copper washer (9-3) be respectively housed; Inside from one end of spiro column, be processed with a thick blind hole; From one end of cone and spiro column intersection inside, be processed with several uniform thin inclined hole communicated with thick blind hole.
5. wellhead assembly in-site installation Special cleaning head according to claim 1, it is characterized in that: that installs in several step groove uniform on radial hole uniform in rotary body (2), outer circumference surface and groove is several to the orthogonal plug of axial line (7) and jet element (9), its quantity is equal, is limited between 2 ~ 6.
6. wellhead assembly in-site installation Special cleaning head according to claim 1, it is characterized in that: in the below of tubing string (1) and rotary body (2), support be connected both a rolling bearing (3), what select is single direction thrust ball bearing.
7. wellhead assembly in-site installation Special cleaning head according to claim 1, it is characterized in that: the upper sealing ring (8) installed between the gap that tubing string (1) and rotary body (2) coordinate and above and below both uniform radial holes and lower seal (6), what select is all Y shape rubber seal; The opening of twice Y shape rubber seal, all uniform in tubing string (1) and rotary body (2) radial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065593.9A CN105569588B (en) | 2016-01-26 | 2016-01-26 | A kind of wellhead assembly in-site installation Special cleaning head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065593.9A CN105569588B (en) | 2016-01-26 | 2016-01-26 | A kind of wellhead assembly in-site installation Special cleaning head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105569588A true CN105569588A (en) | 2016-05-11 |
| CN105569588B CN105569588B (en) | 2018-11-20 |
Family
ID=55880144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065593.9A Active CN105569588B (en) | 2016-01-26 | 2016-01-26 | A kind of wellhead assembly in-site installation Special cleaning head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105569588B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209296A (en) * | 2018-11-16 | 2019-01-15 | 美钻深海能源科技研发（上海）有限公司 | Subsea production tree tubing hanger cleaning means |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749186A (en) * | 1972-07-03 | 1973-07-31 | B Kutuzov | Drilling stem for drilling holes blown-out by pressurized air |
| CN104806182A (en) * | 2015-04-17 | 2015-07-29 | 西安石油大学 | Hydraulic rotating jet flow blockage remover |
| CN104863531A (en) * | 2015-04-10 | 2015-08-26 | 西南石油大学 | Revolving speed limiting impulse sprinkler for well cleanout |
| CN105156070A (en) * | 2015-10-19 | 2015-12-16 | 中国石油化工股份有限公司 | Oil pipe descaling scraper cleaning system |
| CN204941392U (en) * | 2015-07-20 | 2016-01-06 | 中国石油天然气股份有限公司 | Rotatory cleaning means of coiled tubing |
| CN205349260U (en) * | 2016-01-26 | 2016-06-29 | 江苏宏泰石化机械有限公司 | Special cleaning head of on --spot installation of wellhead assembly |
-
2016
- 2016-01-26 CN CN201610065593.9A patent/CN105569588B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749186A (en) * | 1972-07-03 | 1973-07-31 | B Kutuzov | Drilling stem for drilling holes blown-out by pressurized air |
| CN104863531A (en) * | 2015-04-10 | 2015-08-26 | 西南石油大学 | Revolving speed limiting impulse sprinkler for well cleanout |
| CN104806182A (en) * | 2015-04-17 | 2015-07-29 | 西安石油大学 | Hydraulic rotating jet flow blockage remover |
| CN204941392U (en) * | 2015-07-20 | 2016-01-06 | 中国石油天然气股份有限公司 | Rotatory cleaning means of coiled tubing |
| CN105156070A (en) * | 2015-10-19 | 2015-12-16 | 中国石油化工股份有限公司 | Oil pipe descaling scraper cleaning system |
| CN205349260U (en) * | 2016-01-26 | 2016-06-29 | 江苏宏泰石化机械有限公司 | Special cleaning head of on --spot installation of wellhead assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209296A (en) * | 2018-11-16 | 2019-01-15 | 美钻深海能源科技研发（上海）有限公司 | Subsea production tree tubing hanger cleaning means |
| CN109209296B (en) * | 2018-11-16 | 2024-01-12 | 美钻深海能源科技研发（上海）有限公司 | Cleaning tool for tubing hanger of underwater christmas tree |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105569588B (en) | 2018-11-20 |
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