WO2014019154A1 - Soupape de vidange de puits - Google Patents

Soupape de vidange de puits Download PDF

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Publication number
WO2014019154A1
WO2014019154A1 PCT/CN2012/079463 CN2012079463W WO2014019154A1 WO 2014019154 A1 WO2014019154 A1 WO 2014019154A1 CN 2012079463 W CN2012079463 W CN 2012079463W WO 2014019154 A1 WO2014019154 A1 WO 2014019154A1
Authority
WO
WIPO (PCT)
Prior art keywords
joint
valve
housing
connector
well cleaning
Prior art date
Application number
PCT/CN2012/079463
Other languages
English (en)
Chinese (zh)
Inventor
易会安
谢红英
温干亮
陈善饮
丁柏松
昝志恩
李伯仁
刘妙仁
易齐尊
陶正
Original Assignee
思达斯易能源技术(集团)有限公司
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 思达斯易能源技术(集团)有限公司 filed Critical 思达斯易能源技术(集团)有限公司
Priority to PCT/CN2012/079463 priority Critical patent/WO2014019154A1/fr
Publication of WO2014019154A1 publication Critical patent/WO2014019154A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings

Definitions

  • the invention relates to a well washing device, in particular to a well washing valve which can conveniently realize automatic grouting and positive and reverse circulation washing. Background technique
  • the main object of the present invention is to provide a well washing valve which can easily realize automatic grouting and positive and reverse circulation washing according to the needs of the well washing operation.
  • the present invention provides a well washing valve, which comprises:
  • Valve housing assembly including
  • the inner wall of the joint on the outer casing is provided with a positioning portion
  • a joint in the outer casing the upper end of the joint in the outer casing is connected with the joint on the outer casing;
  • the lower joint of the outer casing the upper end of the lower joint of the outer casing is connected with the lower end of the joint in the outer casing, the joint on the outer casing, the joint in the outer casing and
  • the lower casing joints together form a cylindrical receiving space;
  • a spool assembly disposed in the accommodating space, including
  • first valve core structure disposed in an accommodating space corresponding to the joint in the outer casing; a second valve core structure disposed in an accommodating space corresponding to the lower joint of the outer casing; a top club disposed at the Between the first spool structure and the second spool structure to effect linkage of the first spool structure and the second spool structure;
  • Automatically grout is formed by forming a passage with the opening of the shoe.
  • a first ball seat disposed on an inner wall of the bottom end of the joint on the outer casing
  • a first valve axially movable along an inner wall of the joint in the outer casing
  • a first spring assembly disposed between the central sleeve of the top club and the first valve, the two ends of the first spring assembly respectively abutting against a top end of the centering sleeve of the top club and the The bottom end of the first valve.
  • a second ball seat installed between the joint in the outer casing and the lower joint of the outer casing, wherein the outer wall of the second ball seat is provided with a seal ring and a seal formed between the lower joint of the outer casing;
  • a second central sleeve which is mounted on the inner wall of the bottom end of the lower joint of the outer casing
  • a second valve axially movable along an inner wall of the lower joint of the outer casing
  • a second spring assembly disposed between the second central sleeve and the second valve, the two ends of the second spring assembly respectively abut against the top end of the second central sleeve and the second valve Bottom end.
  • valve casing assembly further comprises a shoe
  • the shoe is connected to a bottom end of the lower joint of the casing, and the bottom and lateral sides of the shoe are provided with an opening.
  • an anti-rotation screw is further disposed between the lower casing joint and the shoe.
  • the above-mentioned washing valve wherein the top end of the top club is connected to the bottom end of the spring coupling sleeve of the first spring assembly through a top club sleeve, and the bottom end of the top club corresponds to the second The top of the valve is set.
  • the valve core assembly further includes a top club centering sleeve, and the top club centering sleeve is disposed at a top end of the second ball seat corresponding to the top club.
  • the positioning portion is an upper portion of an inner wall of a joint provided on the outer casing
  • the conical surface of the insertion head is correspondingly provided with a positioning surface.
  • FIG. 1 is a schematic structural view of a well washing valve according to an embodiment of the present invention (a schematic sectional structure of the right half side);
  • FIG. 2 is a schematic view showing the working state of the washing valve of FIG.
  • FIG. 1 is a schematic structural view of a well washing valve according to an embodiment of the present invention (a schematic sectional structure of the right half side), and FIG. 2 is a schematic view showing the working state of the washing valve of FIG.
  • the well washing valve of the present invention includes a valve housing assembly 10, a spool assembly 20, and an insert assembly 30.
  • the valve housing assembly 10 includes: a housing upper joint 11, the inner wall of the outer joint 11 of the outer casing is provided with a positioning portion, the bottom portion is provided with a first ball seat 211 and a first valve 212 to form a seal; the outer casing joint 12, the outer casing The upper end of the middle joint 12 is connected to the joint 11 on the outer casing, the lower joint 13 of the outer casing, the upper end of the lower joint 13 of the outer casing is connected to the lower end of the joint 12 in the outer casing, and the joint 12 in the outer casing is fixed to the lower joint 13 of the outer casing.
  • the second ball seat 220 forms a seal with the second valve 222, and the outer wall of the second ball seat 220 is provided with a seal between the seal ring and the lower casing joint 13, the outer casing joint 11, the joint 12 in the outer casing and the The outer casing joints 13 together form a cylindrical receiving space 16.
  • the positioning portion 111 is disposed on the outer joint 11 of the outer casing.
  • the positioning portion 111 is preferably a conical surface disposed on an upper portion of the inner wall of the joint 11 on the outer casing. 311.
  • the lower end surface of the connector 3 on the head can be inserted as the positioning surface 311.
  • the present invention is not limited thereto, and the positioning portion 111 can also be disposed in other forms as long as the insertion assembly 30 can be prevented from continuing downward when the insertion assembly 30 is lowered to a certain position;
  • the sealing member 15 is disposed on the outer joint 11 of the outer casing.
  • the inner surface is for sealing the gap between the joint 11 on the outer casing and the insert assembly 30.
  • the seal 15 preferably seals the rubber ring, but is not limited thereto.
  • the outer joint 13 and the joint between the joint 12 in the outer casing and the joint 11 on the outer casing may be connected by a common connection such as splicing, screwing or integral molding, preferably a threaded connection.
  • the valve casing assembly 10 further includes a shoe 14 that is coupled to the lower casing joint 13.
  • the shoe 14 is provided with an opening at the bottom and lateral sides thereof, and the shoe 14 and the casing Lower joint 13
  • the connection mode may be a common connection such as splicing, screwing or integral molding, preferably a threaded connection, and the shoe 14 and the lower casing 13 may be further connected by an anti-rotation screw 141.
  • the valve core assembly 20 is disposed inside the valve casing assembly 10, and the valve core assembly 20 is disposed in the accommodating space 15, and includes a first valve core structure 21 disposed in an accommodating space corresponding to the joint 12 in the outer casing. a second valve core structure 22 disposed in the accommodating space 16 corresponding to the lower casing 13 of the casing; a top club 23 disposed on the first valve core structure 21 and the second valve core structure The linkage between the first spool structure 21 and the second spool structure 22 is achieved between 22 .
  • the first valve core structure 21 includes a first ball seat 211 mounted on the inner wall of the bottom end of the joint 11 on the outer casing; the first valve 212 is axially movable along the inner wall of the joint 12 in the outer casing.
  • a first spring assembly 213 is disposed between the central sleeve 24 of the top club and the first valve 212, and the two ends of the first spring assembly 213 respectively abut against the right pole of the top club The top end of the sleeve 24 and the bottom end of the first valve 212.
  • the second valve core structure 22 includes a second central locking sleeve 221 mounted on the inner wall of the bottom end of the lower casing 13 of the outer casing; the second valve 222 is axially movable along the inner wall of the lower casing 13 of the outer casing; An assembly 223 is disposed between the second central locking sleeve 221 and the second valve 222, and two ends of the second spring assembly 223 abut against the top end of the second central locking sleeve 221 and the second The bottom end of valve 222.
  • the first spring assembly 213 and the second spring assembly 223 may be composed of only one spring, or may be composed of a plurality of springs connected by the spring connection sleeve 224; the second ball seat 220 and the top club
  • the sleeve 24 can be selected from a split design or an overall design.
  • the insertion assembly 30 is inserted into the interior of the valve casing assembly 10 to drive the valve core assembly 20, and is disposed above the first valve core structure and engaged with the positioning portion 111.
  • the lower portion of the insertion assembly 30 is provided with a through hole 321 to The opening of the shoe 14 forms a channel for automatic grouting.
  • the insertion assembly 30 includes: an insertion head joint 31 which is blocked by the positioning portion 111 when the insertion assembly 30 is inserted into the valve casing assembly 10 during the well washing, so that the insertion assembly 30 cannot
  • the lower head joint 32 is inserted, and is connected to the insert head joint 31, and is sealed with the outer casing joint 11 of the valve casing assembly 10 by a sealing member 15.
  • the lower side wall of the insert head joint 32 is provided with a through hole 321
  • the connection between the insert head joint 32 and the insert head joint 31 may be a common connection method such as splicing, screwing or integral molding; the plug 33 is connected to the lower portion of the insert head joint 32, and the plug 33 is
  • the connection between the insert head joints 32 can be selected from the usual connection methods such as splicing, screwing or integral molding.
  • the first valve 212 and the The two valves 222 are respectively in a closed state under the preloading force of the springs of the first spring assembly 213 and the second spring assembly 223, and at this time, the liquid in the well is blocked by the first valve 212 and the second valve 222 and cannot enter the valve housing assembly. 10 and the cavity between the insert assembly 30; during the construction operation, the valve assembly 10 is first lowered into the well, then the well string is connected to the insert assembly 30, drilled into the insert assembly 30, and the insert assembly 30 is brought into place The first first valve 212 moves downwardly and continues to be fed into the insertion assembly 30.
  • the first spring assembly 213 is compressed and the second valve 222 is downwardly compressed by the top club 23 until the second spring assembly 223 is inserted.
  • the positioning portion 111 of the joint 11 on the outer casing is locked and positioned.
  • the first valve 212 and the second valve 222 are both in an open state, and the liquid in the well passes through the bottom of the shoe 14 and the lateral opening, and enters the valve casing assembly 10 and
  • the cavity between the components 30 is inserted into the insertion assembly 30 through the through hole 321 inserted into the head joint 32, into the well string connected to the insertion assembly 30 and into the drilling tool, and the pipe column is always kept inside and outside.
  • pressure Scale automatic filling function.
  • the positive and reverse circulation well washing functions can be realized through the above liquid passage.
  • the insertion assembly 30 is raised into the well with the wash string.
  • the first valve 212 and the second valve 222 are moved upward to return to the original position.
  • a seal is formed in the first ball seat 211 and the second ball seat 220, respectively, and the first valve 212 and the second valve 222 are both in a closed state.
  • the present invention can realize the functions of isolation, sealing and well washing by inserting the joint of the head joint 32, the joint 11 of the outer casing and the seal 15.
  • the well cleaning valve of the invention adopts a double valve linkage structure design to make the sealing more reliable.
  • the automatic grouting function can be realized during the process of drilling and feeding into the inserting component, and the positive and reverse circulation washing can be realized after being put into place.
  • isolation, sealing and well-washing functions can be achieved by inserting the head joint, the fitting on the housing and the seal.
  • the valve simplifies on-site construction procedures, simple operation, improved work efficiency, improved seal performance, environmental friendliness and avoiding complex situations.

Abstract

L'invention concerne une soupape de vidange de puits, comprenant : des composants de boîtier de soupape (10), lesdits composants de boîtier de soupape (10) comprenant un connecteur de boîtier supérieur (11), un connecteur de boîtier intermédiaire (12) et un connecteur de boîtier inférieur (13, lesdits connecteur de boîtier supérieur (11), connecteur de boîtier intermédiaire (12) et connecteur de boîtier inférieur (13) formant ensemble un espace de réception cylindrique (16) ; un composant de noyau de soupape (20), ledit composant de noyau de soupape (20) étant agencé dans l'espace de réception (16), et comprenant une première structure de noyau de soupape (21) agencée dans un espace de réception correspondant au connecteur de réception intermédiaire (12), une seconde structure de noyau de soupape (22) agencée dans un espace de réception correspondant au connecteur de réception inférieur (13), et une tige de poussée de bille (23), agencée entre une première structure de noyau de soupape (21) et une seconde structure de noyau de soupape afin d'établir une liaison entre une première soupape et une seconde soupape ; et un composant d'insertion (30) utilisé pour être inséré dans les composants de boîtier de soupape (10) afin d'entraîner le composant de noyau de soupape (20), la partie inférieure du composant d'insertion (30) étant équipée d'un trou traversant (321) de façon à former un canal doté d'une ouverture de sabot de guidage (14) afin d'injecter automatiquement un coulis. La soupape de vidange de puits peut mettre commodément en œuvre des fonctions d'injection automatique et de vidange de puits circulaire normales et inverses en fonction d'une opération de vidange de puits.
PCT/CN2012/079463 2012-08-01 2012-08-01 Soupape de vidange de puits WO2014019154A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/079463 WO2014019154A1 (fr) 2012-08-01 2012-08-01 Soupape de vidange de puits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/079463 WO2014019154A1 (fr) 2012-08-01 2012-08-01 Soupape de vidange de puits

Publications (1)

Publication Number Publication Date
WO2014019154A1 true WO2014019154A1 (fr) 2014-02-06

Family

ID=50027082

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/079463 WO2014019154A1 (fr) 2012-08-01 2012-08-01 Soupape de vidange de puits

Country Status (1)

Country Link
WO (1) WO2014019154A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108119106A (zh) * 2017-11-23 2018-06-05 中国石油天然气股份有限公司 筛管防砂管柱及其解卡方法
CN112096301A (zh) * 2019-06-17 2020-12-18 中国石油天然气股份有限公司 油气井替浆洗井防砂一体化完井管柱及替浆洗井方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0216288A (ja) * 1988-03-05 1990-01-19 Salzgitter Mas & Anlagen Ag 液圧内孔ハンマードリル用継足しボーリング杆
DE4027414C1 (en) * 1990-08-30 1992-02-13 Komotzki, Michael, 4708 Kamen, De Tubular rock bore drill stem - has concentric channels for fluids and has spring-loaded control valves
US6880639B2 (en) * 2002-08-27 2005-04-19 Rw Capillary Tubing Accessories, L.L.C. Downhole injection system
CN1678813A (zh) * 2002-07-24 2005-10-05 地理服务公司 快动作阀致动器,及具有该致动器的工具
US7140455B2 (en) * 2003-01-30 2006-11-28 Tesco Corporation Valve method for drilling with casing using pressurized drilling fluid
CN201068781Y (zh) * 2007-02-14 2008-06-04 中国石化集团胜利石油管理局井下作业公司 井下定压开启注、采、洗井阀

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0216288A (ja) * 1988-03-05 1990-01-19 Salzgitter Mas & Anlagen Ag 液圧内孔ハンマードリル用継足しボーリング杆
DE4027414C1 (en) * 1990-08-30 1992-02-13 Komotzki, Michael, 4708 Kamen, De Tubular rock bore drill stem - has concentric channels for fluids and has spring-loaded control valves
CN1678813A (zh) * 2002-07-24 2005-10-05 地理服务公司 快动作阀致动器,及具有该致动器的工具
US6880639B2 (en) * 2002-08-27 2005-04-19 Rw Capillary Tubing Accessories, L.L.C. Downhole injection system
US7140455B2 (en) * 2003-01-30 2006-11-28 Tesco Corporation Valve method for drilling with casing using pressurized drilling fluid
CN201068781Y (zh) * 2007-02-14 2008-06-04 中国石化集团胜利石油管理局井下作业公司 井下定压开启注、采、洗井阀

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108119106A (zh) * 2017-11-23 2018-06-05 中国石油天然气股份有限公司 筛管防砂管柱及其解卡方法
CN112096301A (zh) * 2019-06-17 2020-12-18 中国石油天然气股份有限公司 油气井替浆洗井防砂一体化完井管柱及替浆洗井方法

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