CN202220589U - Inclined well delivery valve - Google Patents

Inclined well delivery valve Download PDF

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Publication number
CN202220589U
CN202220589U CN 201120295391 CN201120295391U CN202220589U CN 202220589 U CN202220589 U CN 202220589U CN 201120295391 CN201120295391 CN 201120295391 CN 201120295391 U CN201120295391 U CN 201120295391U CN 202220589 U CN202220589 U CN 202220589U
Authority
CN
China
Prior art keywords
valve
valve seat
seat
spring
hole path
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.)
Expired - Fee Related
Application number
CN 201120295391
Other languages
Chinese (zh)
Inventor
吴荷香
童琥
黄春燕
童星
马旭
侯双亮
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.)
China Petroleum and Chemical Corp
Petroleum Engineering Technology Research Institute of Sinopec Henan Oilfield Branch Co
Original Assignee
China Petroleum and Chemical Corp
Petroleum Engineering Technology Research Institute of Sinopec Henan Oilfield Branch 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 China Petroleum and Chemical Corp, Petroleum Engineering Technology Research Institute of Sinopec Henan Oilfield Branch Co filed Critical China Petroleum and Chemical Corp
Priority to CN 201120295391 priority Critical patent/CN202220589U/en
Application granted granted Critical
Publication of CN202220589U publication Critical patent/CN202220589U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an inclined well delivery valve, comprising a valve body arranged in an oil pipe channel; more than one deviating hole channel in communication with the oil pipe channel is uniformly distributed in the valve body, wherein a valve seat is fixed in at least one deviating hole channel and is provided with an axial channel having a consistent axial direction with the valve body; the valve seat is provided with a ball valve used for controlling the on-off of the axial channel of the valve seat; a spring having a consistent axial direction with the deviating hole channel is arranged in the deviating hole channel with the valve seat; one end of the spring is fixed in the valve body and the other end is against the ball valve. The spring can enhance a switch characteristic of the valve seat axial channel and guarantees that the ball valve well seals the valve seat in a high-inclination well or a horizontal well.

Description

A kind of inclined shaft delivery valve
Technical field
The utility model relates to a kind of inclined shaft delivery valve that is used for high angle hole and horizontal well oil production by layer.
Background technology
In oil production by layer measure tubing string; Usually adopt ball-and-seat to be transported to flow string to formation fluid; Publication number is that the Chinese patent of CN2725516Y discloses a kind of inclined to one side hole path ball-and-seat, and this inclined to one side hole path ball-and-seat comprises main body and the top connection that is external in main body one end, is evenly equipped with three inclined to one side hole paths in the main body; Wherein be furnished with in two inclined to one side hole paths and have axial groove and the valve seat corresponding with each self-bias hole path, valve seat is provided with the ball valve that is used for control valve seat passage break-make.This ball-and-seat is adapted at using in the Vertical Well, relies on the break-make of the gravity realization passage of ball valve self.Along with the extensive use in oilfield development process of high angle hole, horizontal well; This inclined to one side hole path ball-and-seat demonstrates the weak point of self, because when the measure tubing string is positioned at lower curved section or horizontal segment, each parts stress changes; The axis of suffered gravity of ball valve and tubing string has certain angle; Can produce a component that makes its off-axis, this component can increase when the angle of slope increases, can reduce so that disappearance along the effective force of axis.Because of hole deviation and stress change, ball valve hits partially and passes into others' hands, and can not put in place fully, causes ball-and-seat can not in time open, close, and poorly sealed, Packer for blocking water can not set, and can't realize oil production by layer.
The utility model content
The purpose of the utility model provides a kind of in inclined shaft or horizontal well, can in time the unlatching or the delivery valve of closing passage.
The utility model adopts following technical scheme: a kind of inclined shaft delivery valve; Be located at the valve body of oil pipe passage in comprising; Be evenly equipped with the more than one inclined to one side hole path that communicates with the oil pipe passage in the valve body; Be fixed with valve seat in the inclined to one side hole path of wherein at least one, offer on the said valve seat and the axial consistent axial passage of valve body, valve seat is provided with the ball valve that is used for control valve seat axial passage break-make; Be furnished with in the said inclined to one side hole path that has a valve seat and the axial consistent spring of hole path partially, said spring one end is fixed on that valve body is interior, the other end and ball valve apical grafting.
Said valve body is connected away from valve seat one end and is inserted with top connection; Have and be positioned at inclined to one side hole path in the inclined to one side hole path of valve seat and the top connection joint is fixed with the spring base that has axial passage, offer towards valve seat one end on the spring base and be used for the spacing fixing inside groove of spring.
Be with " o " type cushion rubber that cooperates with valve seal in the said top connection.
Be with " o " type cushion rubber that cooperates with valve seal on the said valve seat.
Said valve seat passes through radially, and the pin of inserting in valve body is fixedly connected with valve body.
Adopt the delivery valve of said structure; The interior mounting spring of inclined to one side hole path that has valve seat; One end of spring is fixed in the valve body, the other end and ball valve apical grafting, relies on spring to strengthen the switching characteristic of valve seat axial passage, and the assurance ball valve also can be well with valve base sealing in high angle hole or horizontal well.
Description of drawings
Fig. 1 is the sectional view of the utility model inclined shaft delivery valve embodiment.
The specific embodiment
As shown in Figure 1, the utility model inclined shaft delivery valve is located at the valve body 2 of oil pipe passage and is connected inserting in the hollow structure top connection 1 of valve body 2 one ends through threaded engagement in comprising, be with " o " type cushion rubber that is sealed and matched with valve body 2 in the top connection 1.Said valve body 2 other ends offer the centre bore of arranging along valve body 2 central axis 9; Be evenly equipped with two inclined to one side hole paths that are provided with along valve body 2 axial directions in the valve body 2; Be respectively inclined to one side hole path a10 and inclined to one side hole path b 11; Said inclined to one side hole path b11 all is communicated with the hollow structure and the centre bore 9 of top connection 1, and hole path a10 is communicated with the hollow structure of top connection 1 partially, and said valve body 2 upper edge valve bodies 2 radial direction offer the inlet opening 8 that communicates with inclined to one side hole path a10.Be positioned at inlet opening 8 places in the said inclined to one side hole path a10 and be fixed with valve seat 6; Offer axial consistent axial passage on the valve seat 6 with inclined to one side hole path a10; And valve seat 6 is with " o " type cushion rubber that is sealed and matched with valve body 2 through radially the pin 7 of inserting in valve body 2 is fixing with valve body 2 on the valve seat 6.Be provided with the ball valve 5 that is used for control valve seat 6 axial passage break-makes in the said inclined to one side hole path a10, and partially be furnished with the axial consistent spring 4 with hole path a10 partially in the hole path a10, an end of spring 4 is fixed on that valve body is 2 interior, the other end and ball valve 5 apical graftings.
Be positioned at top connection 1 place in the said inclined to one side hole path a10 and be fixed with the spring base 3 that has axial passage, said spring base 3 axial passages are communicated with the hollow structure of top connection 1, and spring base 3 offers towards valve seat 6 one ends and is used for spring 4 spacing fixing inside grooves.
This inclined shaft delivery valve is in when assembling, " o " type cushion rubber valve seat 6 of packing into, among the inclined to one side hole path a10 of the valve body 2 of packing into then, makes the pin hole of valve body 2 corresponding with the cotter slot of valve seat 6 earlier, the pin 7 and tightening of packing into.Put into valve seat 6 to ball valve 5 then, spring 4 is inserted ball valve 5 tops, spring base 3 is packed in the inclined to one side hole path a10 through screw thread, the top connection 1 that " o " type cushion rubber will be housed is at last packed into through screw thread in the valve body 2.
The utility model delivery valve was inserted in the oil pipe when using, because hole path b11 all is communicated with the hollow structure and valve body 2 centre bores 9 of top connection 1 partially, so the utility model guaranteed the connection of oil pipe in oil pipe, is convenient to transmit fluid pressure.In the process of going into the well, the delivery valve correspondence is adopted a layer medium position, in oil pipe, beats hydraulic pressure, under the effect of hydraulic pressure and spring 4, makes valve seat 6 axial passages be in closed condition.In upstroke, casing pressure is greater than tubing pressure, and layer liquid promotion ball valve 5 of adopting that delivery valve is corresponding lifts off a seat 6, and delivery valve is in opening, adopts layer liquid and gets into top connections 1 hollow structure through inlet opening 8, gets in the pump barrel through sucker rod pump then.In down stroke, sucker rod pump cuts out, and ball valve 5 in time resets under the effect of spring force, and valve seat 6 axial passages are closed.

Claims (5)

1. inclined shaft delivery valve; Be located at the valve body of oil pipe passage in comprising; Be evenly equipped with the more than one inclined to one side hole path that communicates with the oil pipe passage in the valve body; Be fixed with valve seat in the inclined to one side hole path of wherein at least one, offer on the said valve seat and the axial consistent axial passage of valve body, valve seat is provided with the ball valve that is used for control valve seat axial passage break-make; It is characterized in that: be furnished with in the said inclined to one side hole path that has a valve seat and the axial consistent spring of hole path partially, said spring one end is fixed on that valve body is interior, the other end and ball valve apical grafting.
2. inclined shaft delivery valve according to claim 1; It is characterized in that: said valve body is connected away from valve seat one end and is inserted with top connection; Have and be positioned at inclined to one side hole path in the inclined to one side hole path of valve seat and the top connection joint is fixed with the spring base that has axial passage, offer towards valve seat one end on the spring base and be used for the spacing fixing inside groove of spring.
3. inclined shaft delivery valve according to claim 2 is characterized in that: be with " o " type cushion rubber that cooperates with valve seal in the said top connection.
4. inclined shaft delivery valve according to claim 1 is characterized in that: be with " o " type cushion rubber that cooperates with valve seal on the said valve seat.
5. according to any described inclined shaft delivery valve of claim 1-4, it is characterized in that: said valve seat is fixedly connected with valve body through the pin of inserting in valve body radially.
CN 201120295391 2011-08-15 2011-08-15 Inclined well delivery valve Expired - Fee Related CN202220589U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120295391 CN202220589U (en) 2011-08-15 2011-08-15 Inclined well delivery valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120295391 CN202220589U (en) 2011-08-15 2011-08-15 Inclined well delivery valve

Publications (1)

Publication Number Publication Date
CN202220589U true CN202220589U (en) 2012-05-16

Family

ID=46042616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120295391 Expired - Fee Related CN202220589U (en) 2011-08-15 2011-08-15 Inclined well delivery valve

Country Status (1)

Country Link
CN (1) CN202220589U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102926722A (en) * 2012-10-29 2013-02-13 中国石油化工股份有限公司 Layering oil production system
CN104100228A (en) * 2013-04-03 2014-10-15 中国石油天然气股份有限公司 Synchronous separate extraction reversing valve
CN104533342A (en) * 2015-01-20 2015-04-22 中国石油化工股份有限公司 Ball base tool for horizontal well
CN105089556A (en) * 2015-07-30 2015-11-25 中国石油天然气股份有限公司 Adjustable slicing mining valve

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102926722A (en) * 2012-10-29 2013-02-13 中国石油化工股份有限公司 Layering oil production system
CN102926722B (en) * 2012-10-29 2015-06-17 中国石油化工股份有限公司 Layering oil production system
CN104100228A (en) * 2013-04-03 2014-10-15 中国石油天然气股份有限公司 Synchronous separate extraction reversing valve
CN104100228B (en) * 2013-04-03 2016-10-19 中国石油天然气股份有限公司 Reversal valve is adopted in a kind of synchronization point
CN104533342A (en) * 2015-01-20 2015-04-22 中国石油化工股份有限公司 Ball base tool for horizontal well
CN105089556A (en) * 2015-07-30 2015-11-25 中国石油天然气股份有限公司 Adjustable slicing mining valve

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120516

Termination date: 20170815

CF01 Termination of patent right due to non-payment of annual fee