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CN104632101A - Oil pipe with hydraulic control pipeline - Google Patents

Oil pipe with hydraulic control pipeline Download PDF

Info

Publication number
CN104632101A
CN104632101A CN201510030178.5A CN201510030178A CN104632101A CN 104632101 A CN104632101 A CN 104632101A CN 201510030178 A CN201510030178 A CN 201510030178A CN 104632101 A CN104632101 A CN 104632101A
Authority
CN
China
Prior art keywords
oil pipe
hydraulic control
control pipeline
pipe body
control lines
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.)
Pending
Application number
CN201510030178.5A
Other languages
Chinese (zh)
Inventor
魏文科
逯向阳
阚凯
郑学男
武国营
郝建伶
宋宏宇
霍晨春
李婧源
项运帷
魏腾飞
刘怀
杜永辉
姚光军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Great Wall Drilling Co
Original Assignee
CNPC Great Wall Drilling Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNPC Great Wall Drilling Co filed Critical CNPC Great Wall Drilling Co
Priority to CN201510030178.5A priority Critical patent/CN104632101A/en
Publication of CN104632101A publication Critical patent/CN104632101A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18Pipes provided with plural fluid passages
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

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

The invention relates to an oil pipe, in particular to an oil pipe with a hydraulic control pipeline. An oil pipe male buckle connector is arranged at one end of an oil pipe body. An oil pipe neck is arranged at the other end of the oil pipe body. The oil pipe neck is connected with a tubing coupling. The outer diameter of the oil pipe body is larger than the outer diameter of the oil pipe neck and the outer diameter of the oil pipe male buckle connector. The embedded hydraulic control pipeline is installed in the side wall of the oil pipe body. The two ends of the hydraulic control pipeline are both connected with hydraulic control pipeline connectors. By the adoption of the oil pipe with the hydraulic control pipeline, it is guaranteed that a seal piece of a blowout preventer effectively seals the oil pipe body during tripping operation, and safety construction of tripping operation is promoted; the defect that because a hydraulic control pipeline of an existing underground safety valve is arranged outside an oil pipe, a sealing piece of the blowout preventer at a well mouth cannot effectively seal a pipe column in a well is overcome.

Description

With the oil pipe of hydraulic control lines
Technical field:
The present invention relates to a kind of oil pipe, particularly a kind of oil pipe with hydraulic control lines.
Background technology:
The flow string of the flow string of the high-pressure oil-gas well of oil gas field and all Oil/gas Wells of offshore oil and gas field is all provided with storm valve when certain depth by land, the hydraulic control lines of storm valve upwards extends to ground or christmas platform from down-hole along the outer wall of production of hydrocarbons tubing string, be connected with hydraulic control system, be used in case of emergency high-speed switch storm valve manually or automatically, ensure the safety of Oil/gas Well and christmas platform.The external diameter of the hydraulic control lines of storm valve is less (being generally less than 1/8 "), its installment state is such: hydraulic control lines one end is connected with storm valve, the other end is connected with the hydraulic control system on ground or christmas platform, mid portion is close to the outer wall of OIH gas flow string, with production of hydrocarbons tubing string parallel arranged, be fixed on OIH gas flow string at interval of 3 ~ 4 meters with dedicated pipeline clamp.This installment state plays lower tubular column operation bring following difficulty and risk to repairing completion: because the production of hydrocarbons tubing string in well and hydraulic control lines independently install side by side, middle also have pipeline clamp, cause and rising in lower tubular column operation process, the seal of the preventer of well head cannot with tubing string fitted seal in well, effectively cannot control well head by preventer when there is overflow or blowout in well.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of oil pipe with hydraulic control lines, the arrangement achieves and has ensured blowout preventer seal and tubular column main body effective sealing between lower tubular column operational period, has been conducive to the construction of lower tubular column job safety.The hydraulic control lines overcoming existing storm valve is arranged on outside oil pipe, cause wellhead blowout preventor seal cannot with the deficiency of tubing string effective sealing in well.
The technical solution used in the present invention is: a kind of oil pipe with hydraulic control lines, comprises oil pipe body; Oil pipe body one end is provided with oil pipe male joint, the oil pipe body other end is provided with oil pipe neck, oil pipe neck connected pipes box cupling, the external diameter of oil pipe body is greater than the external diameter of oil pipe neck and oil pipe male joint, be provided with embedded type hydraulic in the sidewall of oil pipe body and control pipeline, embedded type hydraulic controls pipeline two ends and is all connected with hydraulic control lines joint.
Hydraulic control lines joint adopts steel ferrule-type compression joint.
The invention has the beneficial effects as follows: hydraulic control lines is embedded in the mode of oil pipe base side pars intramuralis by the present invention owing to have employed, oil pipe body outer wall is column type, thus ensure that blowout preventer seal and tubular column main body effective sealing between lower tubular column operational period, be conducive to the construction of lower tubular column job safety.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention:
As shown in Figure 1, a kind of oil pipe with hydraulic control lines, comprises oil pipe body 1; Oil pipe body 1 one end is provided with oil pipe male joint 2, oil pipe body 1 other end is provided with oil pipe neck 3, oil pipe neck 3 connected pipes box cupling 4, the external diameter of oil pipe body 1 is greater than the external diameter of oil pipe neck 3 and oil pipe male joint 2, be provided with embedded type hydraulic in the sidewall of oil pipe body 1 and control pipeline 5, embedded type hydraulic controls pipeline 5 two ends and is all connected with hydraulic control lines joint 6.Hydraulic control lines joint 6 adopts steel ferrule-type compression joint.Steel ferrule-type compression joint is made up of cutting ferrule, fittings body, nut.Cutting ferrule is with the metal ring with cutting edge inside the conical surface, leading portion outside a front and back end; Fittings body is equivalent to extrude grinding tool; The effect of nut promotes cutting ferrule, and outside the leading portion making cutting ferrule under the effect of fittings body inner conical surface, arch upward in middle part, the shrinkage strain of cutting ferrule front inner diameter, causes cutting ferrule leading inside cutting edge to block pipe.If continuation tightening nut, be fastened in deformation process and cutting edge will be forced to cut steel pipe formation sealing.And form conical surface seal with the inner conical surface of fittings body, nut respectively outside cutting ferrule front and back end.Steel ferrule-type compression joint is connected firmly, good airproof performance, withstand voltage height.Steel collar joint fitting operation is easy, uses extensively.
The profile of oil pipe body 1 is identical with conventional this body profile of oil pipe, in column type, surface smoothing, can with the seal fitted seal of the wellhead blowout preventor matched.Oil pipe neck 3 for using pipe elevator to suspend oil pipe in midair in lower tubular column operation process.Embedded type hydraulic controls pipeline 5 and is embedded in oil pipe body 1, and the external diameter of embedded type hydraulic control pipeline 5 is less than the wall thickness of oil pipe body 1.
During use, oil pipe male joint 2 of the present invention is docked with the tubing coupling of another root oil pipe by lower tubular column method routinely, above buckle.Connection between hydraulic control lines joint 6 is according to the distance between adjacent two hydraulic control lines joints 6, intercept one section of supporting stainless steel high pressure line, two adjacent hydraulic control lines joints 6 are connected to stainless steel high pressure line two ends, after pressure testing is qualified, then enter under the oil pipe carrying out next root band hydraulic control lines and connection between hydraulic control lines joint.In the operation process playing lower tubular column, when tubing coupling 5 of the present invention and oil pipe male joint 2 are by preventer, the mode that two groups of open flow devices can be adopted to switch ensures that tubing coupling 5 and oil pipe male joint 2 are passed through smoothly.
Lift pipe string method of the present invention is as follows: with working rig, the oil pipe of band hydraulic control lines is proposed well head, first to dismantle hydraulic control lines joint and stainless steel hydraulic pressure high pressure line, lift pipe string method routinely dismantles oil pipe thread again, trips out the single oil tube of band hydraulic control lines.
Be understandable that, above about specific descriptions of the present invention, the technical scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.

Claims (2)

1. the oil pipe with hydraulic control lines, comprises oil pipe body (1); It is characterized in that: oil pipe body (1) one end is provided with oil pipe male joint (2), oil pipe body (1) other end is provided with oil pipe neck (3), oil pipe neck (3) connected pipes box cupling (4), the external diameter of oil pipe body (1) is greater than the external diameter of oil pipe neck (3) and oil pipe male joint (2), be provided with embedded type hydraulic in the sidewall of oil pipe body (1) and control pipeline (5), embedded type hydraulic controls pipeline (5) two ends and is all connected with hydraulic control lines joint (6).
2. according to the oil pipe of band hydraulic control lines according to claim 1, it is characterized in that: described hydraulic control lines joint (6) adopts steel ferrule-type compression joint.
CN201510030178.5A 2015-01-21 2015-01-21 Oil pipe with hydraulic control pipeline Pending CN104632101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510030178.5A CN104632101A (en) 2015-01-21 2015-01-21 Oil pipe with hydraulic control pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510030178.5A CN104632101A (en) 2015-01-21 2015-01-21 Oil pipe with hydraulic control pipeline

Publications (1)

Publication Number Publication Date
CN104632101A true CN104632101A (en) 2015-05-20

Family

ID=53211280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510030178.5A Pending CN104632101A (en) 2015-01-21 2015-01-21 Oil pipe with hydraulic control pipeline

Country Status (1)

Country Link
CN (1) CN104632101A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108412434A (en) * 2018-05-07 2018-08-17 上海广大基础工程有限公司 A kind of drilling rod built-in oil pipe combination
CN113513278A (en) * 2021-07-23 2021-10-19 托普威尔石油技术股份公司 Oil pipe with built-in hydraulic channel on pipe wall for controlling underground safety valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040262011A1 (en) * 2003-03-28 2004-12-30 Huckabee Paul Thomas Surface flow controlled valve and screen
CN201934031U (en) * 2011-01-25 2011-08-17 孟庆义 Oil pipe
WO2012106020A1 (en) * 2011-01-31 2012-08-09 Exxonmobil Upstream Research Company Systems and methods for advanced well access to subterranean formations
CN103015908A (en) * 2011-09-22 2013-04-03 科林·R·莫里斯 Coiled tubing method with auxiliary tubing comprising producing tubing member
CN204511334U (en) * 2015-01-21 2015-07-29 中国石油集团长城钻探工程有限公司 With the oil pipe of hydraulic control lines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040262011A1 (en) * 2003-03-28 2004-12-30 Huckabee Paul Thomas Surface flow controlled valve and screen
CN201934031U (en) * 2011-01-25 2011-08-17 孟庆义 Oil pipe
WO2012106020A1 (en) * 2011-01-31 2012-08-09 Exxonmobil Upstream Research Company Systems and methods for advanced well access to subterranean formations
CN103015908A (en) * 2011-09-22 2013-04-03 科林·R·莫里斯 Coiled tubing method with auxiliary tubing comprising producing tubing member
CN204511334U (en) * 2015-01-21 2015-07-29 中国石油集团长城钻探工程有限公司 With the oil pipe of hydraulic control lines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108412434A (en) * 2018-05-07 2018-08-17 上海广大基础工程有限公司 A kind of drilling rod built-in oil pipe combination
CN108412434B (en) * 2018-05-07 2023-09-05 上海广大基础工程有限公司 Built-in oil pipe combination of drilling rod
CN113513278A (en) * 2021-07-23 2021-10-19 托普威尔石油技术股份公司 Oil pipe with built-in hydraulic channel on pipe wall for controlling underground safety valve

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150520

WD01 Invention patent application deemed withdrawn after publication