CN204609809U - A kind of Multifunctional leak-proof loses instrument - Google Patents

A kind of Multifunctional leak-proof loses instrument Download PDF

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Publication number
CN204609809U
CN204609809U CN201520302606.0U CN201520302606U CN204609809U CN 204609809 U CN204609809 U CN 204609809U CN 201520302606 U CN201520302606 U CN 201520302606U CN 204609809 U CN204609809 U CN 204609809U
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China
Prior art keywords
unicom
acidifying
spring
sliding sleeve
ball
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Active
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CN201520302606.0U
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Chinese (zh)
Inventor
隋永峰
杨辉
高文明
杨鹏飞
李海波
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Shandong Bo Saite Petrotechnik Ltd
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Shandong Bo Saite Petrotechnik Ltd
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Abstract

The utility model relates to a kind of Multifunctional leak-proof and loses instrument.Its technical scheme is: comprise acidifying mechanism, mechanism of UNICOM and one-way fluid mechanism composition, described acidifying mechanism, for controlling acidifying channel switch, carries out acid filling operation, and described acidifying mechanism comprises top connection, sleeve, sliding sleeve and acidifying intubate; When mechanism of described UNICOM is used for kill-job and the switch of annulus access, comprise pipe, tube connector UNICOM's outer tube, pin, outer spring, UNICOM in; Described one-way fluid mechanism is used for normal oil recovery and sets up production oil recovery passage, and one-way fluid mechanism comprises spring channels, valve Ligation in vitro, inner spring, compression blocks, steel ball, ball valve, ball seat, lower contact.Beneficial effect is: be simple and easy to use, is applicable to well-flushing, acidifying, kill-job and without hindrance oil recovery, safe and reliable, can meet in oilfield development process and realize the demand that isolation oil reservoir, without hindrance oil recovery, kill-job and lower service tube-column carry out the well stimulations such as the general acidifying of oil reservoir.

Description

A kind of Multifunctional leak-proof loses instrument
Technical field
The utility model relates to a kind of well recovery auxiliary products, and particularly a kind of Multifunctional leak-proof loses instrument.
Background technology
In the process of oil field development, because a variety of causes needs to take well-flushing and acidifying to carry out operation to Oil/gas Well, for low pressure sensitive oil reservoir, well-flushing easily causes oil reservoir and pollutes, cause low yield, and some oil wells also exists due to blocking or holddowns such as wax deposition, corrosion product, sands, cause and return well-flushing and wash obstructed, cannot the problem of kill-job during upper operation.There is no at present a kind of for lost circulation prevention well-flushing, acidizing treatment can be carried out and can the product of kill-job, the utility model can realize well-flushing isolation oil reservoir, without hindrance oil recovery, kill-job, lower service tube-column carry out the general acidifying of oil reservoir.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides a kind of Multifunctional leak-proof to lose instrument, and for realizing well-flushing isolation oil reservoir, without hindrance oil recovery, kill-job, lower service tube-column carry out the general acidifying of oil reservoir.
Its technical scheme is: comprise acidifying mechanism, mechanism of UNICOM and one-way fluid mechanism, described acidifying mechanism comprises top connection (1), sleeve (2), sliding sleeve (3) and acidifying intubate (11), described top connection (1) lower end is threaded with sleeve (2), sliding sleeve (3) is threaded onto in sleeve (2), and sliding sleeve (3) upper end withstands on connector (1) lower end, described mechanism of UNICOM comprises UNICOM's outer tube (4), pin (5), outer spring (6), (7) are managed in UNICOM, tube connector (8), described UNICOM outer tube (4) upper end is flexibly connected with sliding sleeve (3) lower end, tube connector (8) upper end is outside to be connected with UNICOM outer tube (4) lower removable, manage (7) lower end in UNICOM to be connected with tube connector (8) upper end internal activity, outer spring (6) is arranged in expanding place, UNICOM's outer tube (4) lower end and UNICOM manages between (7), pin (5) bottom connects with outer spring (6), pin (5) is threaded onto in UNICOM's outer tube (4) and UNICOM manages between (7),
Described one-way fluid mechanism comprises spring channels (9), valve Ligation in vitro (10), inner spring (12), compression blocks (13), steel ball (14), ball valve (15), ball seat (16), lower contact (17), the upper end of described spring channels (9) is threaded with tube connector (8) lower end, outside, spring channels (9) lower end is connected with valve Ligation in vitro (10) movable upper end, described valve Ligation in vitro (10) lower end is inner to be threaded connection with lower contact (17) upper end, inner spring (12) is provided with in valve Ligation in vitro (10), compression blocks (13), steel ball (14), ball valve (15) and ball seat (16).
The upper end of above-mentioned sliding sleeve (3) is expanding, forms expanding sloping platform rank, and sliding sleeve (3) carries two through holes, and during acidifying, acidifying intubate (11) admission passage connects with sliding sleeve (3).
Expanding in above-mentioned spring channels (9) lower end, form passage, described inner spring (12) upper end withstands on spring channels (9) passage upper end, described compression blocks (13) upper end withstands on inner spring (12) lower end, described steel ball (14) and compression blocks (13), ball valve (15), ball seat (16) connects, described ball valve (15) upper end withstands on spring channels (9) lower end, described ball valve (15) lower end is connected with lower contact (17) upper end internal whorl, described ball seat (16) upper end withstands on ball valve (15) lower end, described ball valve (16) lower end withstands on lower contact (17) internal protrusion place.
The beneficial effects of the utility model are: be simple and easy to use, be applicable to well-flushing, acidifying, kill-job and without hindrance oil recovery, safe and reliable, can meet in oilfield development process and realize the demand that isolation oil reservoir, without hindrance oil recovery, kill-job and lower service tube-column carry out the well stimulations such as the general acidifying of oil reservoir.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
In upper figure: manage (7), tube connector (8), spring channels (9), valve Ligation in vitro (10), acidifying intubate (11), inner spring (12), compression blocks (13), steel ball (14), ball valve (15), ball seat (16), lower contact (17) in top connection (1), sleeve (2), sliding sleeve (3), UNICOM's outer tube (4), pin (5), outer spring (6), UNICOM.
Detailed description of the invention
By reference to the accompanying drawings 1, the utility model will be further described:
(7), tube connector (8), spring channels (9), valve Ligation in vitro (10), acidifying intubate (11), inner spring (12), compression blocks (13), steel ball (14), ball valve (15), ball seat (16), lower contact (17) is managed in top connection (1), sleeve (2), sliding sleeve (3), UNICOM's outer tube (4), pin (5), outer spring (6), UNICOM
Comprise acidifying mechanism, mechanism of UNICOM and one-way fluid mechanism.Acidifying mechanism comprises top connection 1, sleeve 2, sliding sleeve 3 and acidifying intubate 11.Described top connection 1 lower end is threaded with sleeve 2, described sliding sleeve 3 is threaded onto in sleeve 2, described sliding sleeve 3 upper end withstands on connector 1 lower end, described sliding sleeve 3 upper end is expanding, form expanding sloping platform rank, described sliding sleeve 3 carries two through holes, when needing acidifying, described acidifying intubate 11, admission passage connects with sliding sleeve 3, described sliding sleeve 3 moves downward, when hole on described sliding sleeve 3 and described sleeve 2 Shang Kong UNICOM, acidifying passage is opened, formation can carry out acidifying, described acidifying intubate 11 is carried, described sliding sleeve 3 is followed in acidifying intubate 11 and is carried, acidifying passage is closed automatically.
Mechanism of UNICOM comprises pipe 7 and tube connector 8 in UNICOM's outer tube 4, pin 5, outer spring 6, UNICOM.Described UNICOM outer tube 4 upper end is threaded with sleeve 3 lower end, described tube connector upper end is outside to be connected with UNICOM outer tube 4 lower thread, in described UNICOM pipe 7 lower end be connected outer tube 8 upper end internal whorl and connect, described outer spring 6 is in expanding place, UNICOM's outer tube 4 lower end and UNICOM between pipe 7, described pin 5 bottom connects with outer spring 6, described pin 5 installs and in UNICOM's outer tube 4 and UNICOM between pipe 7, described UNICOM outer tube 4 is installed pin 5 center holes drilled through, when needs kill-job, suppress in oil pipe, pressure increase process, described pin 5 compresses outer spring 6, when pressure reaches design rated pressure, described pin 5 moves compression outer spring 6, open through hole on described UNICOM outer tube 4, make annular space and oil pipe internal channel UNICOM, in, external pressure reaches balanced, after pressure release, described outer spring 6 recovers original-pack automatically, original position got back to by described pin 5, automatically by pathway closure.
One-way fluid mechanism comprises spring channels 9, valve Ligation in vitro 10, inner spring 12, compression blocks 13, steel ball 14, ball valve 15, ball seat 16 and lower contact 17.Described spring channels 9 upper end is threaded with tube connector 8 lower end, described valve Ligation in vitro 10 upper end is connected with spring channels 9 lower end external screw-thread, described lower contact 17 upper end is connected with valve Ligation in vitro 10 lower end internal whorl, expanding in described spring channels 9 lower end, form passage, described inner spring 12 upper end withstands on spring channels 9 passage upper end, described compression blocks 13 upper end withstands on inner spring 12 lower end, described steel ball 14 and compression blocks 13, ball valve 15, ball seat 16 connects, described ball valve 15 upper end withstands on spring channels 9 lower end, described ball valve 15 lower end is connected with lower contact 17 upper end internal whorl, described ball seat 16 upper end withstands on ball valve 15 lower end, described ball valve 16 lower end withstands on lower contact 17 internal protrusion place, during well-flushing, described steel ball 14 and ball seat 16 connect, and form linear sealing, flushing fluid can not enter stratum, prevents the pollution of flushing fluid formation, during production, crude oil is by steel ball 14 jack-up, described inner spring 12 receives compression, and described steel ball 14 leaves ball seat 16, forms passage, crude oil enters in oil pipe through passage, through flow string lifting extraction, when not needing to recover the oil, described inner spring 12 recovers original-pack, steel ball 14 is resetted, forms airtight passage.

Claims (3)

1. a Multifunctional leak-proof loses instrument, it is characterized in that: comprise acidifying mechanism, mechanism of UNICOM and one-way fluid mechanism, described acidifying mechanism comprises top connection (1), sleeve (2), sliding sleeve (3) and acidifying intubate (11), described top connection (1) lower end is threaded with sleeve (2), sliding sleeve (3) is threaded onto in sleeve (2), and sliding sleeve (3) upper end withstands on connector (1) lower end, described mechanism of UNICOM comprises UNICOM's outer tube (4), pin (5), outer spring (6), (7) are managed in UNICOM, tube connector (8), described UNICOM outer tube (4) upper end is flexibly connected with sliding sleeve (3) lower end, tube connector (8) upper end is outside to be connected with UNICOM outer tube (4) lower removable, manage (7) lower end in UNICOM to be connected with tube connector (8) upper end internal activity, outer spring (6) is arranged in expanding place, UNICOM's outer tube (4) lower end and UNICOM manages between (7), pin (5) bottom connects with outer spring (6), pin (5) is threaded onto in UNICOM's outer tube (4) and UNICOM manages between (7),
Described one-way fluid mechanism comprises spring channels (9), valve Ligation in vitro (10), inner spring (12), compression blocks (13), steel ball (14), ball valve (15), ball seat (16), lower contact (17), the upper end of described spring channels (9) is threaded with tube connector (8) lower end, outside, spring channels (9) lower end is connected with valve Ligation in vitro (10) movable upper end, described valve Ligation in vitro (10) lower end is inner to be threaded connection with lower contact (17) upper end, inner spring (12) is provided with in valve Ligation in vitro (10), compression blocks (13), steel ball (14), ball valve (15) and ball seat (16).
2. a kind of Multifunctional leak-proof according to claim 1 loses instrument, it is characterized in that: the upper end of described sliding sleeve (3) is expanding, forms expanding sloping platform rank, and sliding sleeve (3) carries two through holes, during acidifying, acidifying intubate (11) admission passage connects with sliding sleeve (3).
3. a kind of Multifunctional leak-proof according to claim 1 loses instrument, it is characterized in that: expanding in described spring channels (9) lower end, form passage, described inner spring (12) upper end withstands on spring channels (9) passage upper end, described compression blocks (13) upper end withstands on inner spring (12) lower end, described steel ball (14) and compression blocks (13), ball valve (15), ball seat (16) connects, described ball valve (15) upper end withstands on spring channels (9) lower end, described ball valve (15) lower end is connected with lower contact (17) upper end internal whorl, described ball seat (16) upper end withstands on ball valve (15) lower end, described ball valve (16) lower end withstands on lower contact (17) internal protrusion place.
CN201520302606.0U 2015-05-12 2015-05-12 A kind of Multifunctional leak-proof loses instrument Active CN204609809U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520302606.0U CN204609809U (en) 2015-05-12 2015-05-12 A kind of Multifunctional leak-proof loses instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520302606.0U CN204609809U (en) 2015-05-12 2015-05-12 A kind of Multifunctional leak-proof loses instrument

Publications (1)

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CN204609809U true CN204609809U (en) 2015-09-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112664162A (en) * 2019-10-16 2021-04-16 中国石油化工股份有限公司 Intubation type well cementation valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112664162A (en) * 2019-10-16 2021-04-16 中国石油化工股份有限公司 Intubation type well cementation valve

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