CN107152258B - A kind of controlling lost circulation valve - Google Patents
A kind of controlling lost circulation valve Download PDFInfo
- Publication number
- CN107152258B CN107152258B CN201710414392.XA CN201710414392A CN107152258B CN 107152258 B CN107152258 B CN 107152258B CN 201710414392 A CN201710414392 A CN 201710414392A CN 107152258 B CN107152258 B CN 107152258B
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- cylinder
- outer cylinder
- thread section
- inner sleeve
- ball base
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- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 13
- 238000007667 floating Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of controlling lost circulation valve, including outer cylinder, middle cylinder assembly, ball seat assembly, main assemblage of spring and middle tube filler axis；The middle cylinder assembly is connected on the inside of the outer cylinder by guide pin, the ball seat assembly is installed on the middle cylinder assembly inside upper part by interference fit, the middle tube filler axis is threadingly attached to the middle cylinder assembly lower part, and the annular space that the main assemblage of spring is located between the outer cylinder and the middle tube filler axis is intracavitary.The present invention can utilize the common drill pipe tool G.I.H job position in scene; when leakage occurs in drilling process; by throwing various sizes of switch ball, batching sphere opens or closes bypass passageways; realize leak stopping function; effectively protect the precision instruments such as drill assembly bottom screw drilling tool, rotary steering, MWD, and the tool one plows in brill that multiple plugging operations can be achieved.The configuration of the present invention is simple, stability are high, be convenient for operation and manufacturing cost is low.
Description
Technical field
The present invention relates to oil field drilling completion technique field, the in particular to a kind of and matching used structures of oil drill rocker tool
Simply, convenient for operation and safe and reliable controlling lost circulation valve.
Background technique
Currently, the precision instruments such as helicoid hydraulic motor, rotary steering, MWD need to be arranged at common drill assembly bottom, when encountering leakage
When stratum, plugging operations need to be carried out with plugging material, the plugging material of bulky grain can be damaged by above-mentioned tool.It needs to pull out of hole
Again lower tubular column not only wastes a large amount of activity durations, is also easy to cave-in or gas blowout accident occur.General solution be
Installation bypass circulating valve enters annular space from drilling tool bypass by plugging material above drill assembly, ensures lower tool safety.Currently,
There are mainly two types of forms for existing bypass circulation valve technology: one kind is to block internal channel by pitching, so when needing to carry out leak stopping
After suppress opening bypass circulation canal, carry out circulation plugging operations, pull out of hole after the completion of operation and repair bypass circulating valve again, in this way
Though doing can be carried out plugging operations but wastes a large amount of activity durations；Another bypasses leak stopping joint for remote control type drilling well, passes through
Turn on pump, termination of pumping, that is, remote-controlled by-pass connection are open-minded, and circulation leak stopping finishes remote closing again, but due to not carrying out pitching, on side
While circulation passage is opened, internal channel remains unlatching, and sealing agent still has the risk for causing lower tool to go wrong.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, provide a kind of controlling lost circulation valve, realized, lower brill when
Bypass passageways are opened or closed by the various sizes of switch ball of throwing, batching sphere and carry out multiple plugging operations, overcome existing side
It is fashionable under logical circulating valve is each to carry out a plugging operations or there are problems that leak stopping risk.
The technical scheme adopted by the invention is that: a kind of controlling lost circulation valve, including outer cylinder, middle cylinder assembly, ball seat assembly, bullet
Spring assembly and middle tube filler axis；The middle cylinder assembly is located at middle and upper part on the inside of the outer cylinder, including middle cylinder box thread section, middle cylinder public affairs spiral shell
Line section, inner sleeve axis and the first baffle ring；The middle cylinder box thread section and the middle cylinder male thread section are connected with each other, and are fixedly installed
Side in the outer cylinder, the middle cylinder box thread are located at the top of the middle cylinder male thread；The inner sleeve axis is located in described
Cylinder box thread section and the middle cylinder male thread section inside and the energy between the middle cylinder box thread section and the middle cylinder male thread section
The top of mutually movement, the inner sleeve axis connects first baffle ring, and first baffle ring is located at the middle cylinder box thread section
Inside；The ball seat assembly is located at the middle cylinder assembly inside upper part, including upper ball base interconnected, middle ball seat and lower ball
Seat；The upper ball base and the lower ball base pass through interference fit and are respectively arranged at the inner sleeve axis inside upper part；The middle cylinder
Mandrel is located on the inside of the outer cylinder and forms annular space chamber between the outer cylinder, and the top of the middle tube filler axis is connected in described
The lower part of axis is covered, the lower outside of the middle tube filler axis is provided with floating piston by clearance fit, the middle tube filler axis
Bottom is connected with second gear ring；It is intracavitary that the main assemblage of spring is located at the annular space, including connects with the inner sleeve axis bottom surface
The disc spring of touching, and the gasket being arranged in the disc spring；Several and the inner sleeve axis phase are provided on the outer tube side wall
Its guide pin moved is limited with merging.
Further, the outer cylinder top is taper box thread, and lower part is taper male thread；The middle and upper part side of the outer cylinder
It is along the circumferential direction uniformly provided on wall and guide pin one-to-one correspondence, the threaded hole for installing guide pin, the outer cylinder
Middle and upper part side wall on, positioned at the surface of threaded hole described in each offer by-pass prot.
Further, the upper ball base and the lower ball base are the cylinder-like structure of open topped；The middle ball seat is
Cylinder-like structure, be along the circumferential direction uniformly provided in middle part of sliding channel it is corresponding with the by-pass prot on the outer cylinder several
By-pass prot.
Wherein, the upper ball base and the lower ball base are all made of polyurethane material or rubber material is made；The middle ball seat
It is made of cemented carbide material.
Further, the inner sleeve axis is cylinder-like structure, and upper and lower two sides are respectively arranged with trapezoidal box thread,
Along the circumferential direction be uniformly provided on the side wall of middle and upper part with several one-to-one through-holes of by-pass prot on the middle ball seat,
Lower part is peripherally disposed the slideway matched with the guide pin.
Wherein, the slideway is constituted by being circumferentially connected to several one-to-one J-type slots of the guide pin, the J
Type groove includes the long sliding slot axially arranged, and is arranged at the top of the long sliding slot between axis with the short of angle arrangement
Sliding slot, the short groove are connected with the long sliding slot of adjacent J-type slot.
Further, the middle cylinder male thread section is cylinder-like structure, and upper part is provided with male thread, in middle part of sliding channel
It is peripherally disposed to have with several one-to-one through-holes of by-pass prot on the outer cylinder, circumferentially side on the side wall of its underpart
To being provided with and several one-to-one through-holes of threaded hole on the outer cylinder.
Further, the floating piston is cylinder-like structure, is provided with chamfering outside upper and lower two sides, inside and outside middle part
Two sides are respectively arranged with O-ring.
The beneficial effects of the present invention are: controlling lost circulation valve of the present invention can utilize the common drill pipe tool G.I.H operation in scene
Position, when leakage occurs in drilling process, by throwing various sizes of switch ball, batching sphere opens or closes bypass passageways,
It realizes leak stopping function, effectively protects the precision instruments such as drill assembly bottom screw drilling tool, rotary steering, MWD, and the present invention
Control valve one, which plows in brill, can be achieved multiple plugging operations.The configuration of the present invention is simple, stability are high, are convenient for operation and manufacturing cost
It is low.
Detailed description of the invention
Fig. 1: overall structure of the present invention；
Fig. 2: cylinder assembly and ball seat assembly partial enlargement structural representation in the present invention；
Fig. 3: main assemblage of spring of the present invention and middle tube filler axis partial enlargement structural representation；
Fig. 4: the slideway flat deployable structure schematic diagram on inner sleeve axis of the present invention.
Attached drawing mark: 1, outer cylinder；2, middle cylinder box thread section；3, the first baffle ring；4, upper ball base；5, by-pass prot；6, middle cylinder is public
Thread segment；7, guide pin；8, gasket；9, disc spring；10, floating piston；11, second gear ring；12, ball is switched；13, batching sphere；14,
Middle ball seat；15, lower ball base；16, inner sleeve axis；17, middle tube filler axis；18, slideway；19, through-hole；20, by-pass prot；21, O-ring；
22, long sliding slot；23, short groove.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
As shown in attached Fig. 1 to Fig. 4, a kind of controlling lost circulation valve, upper and lower end button-type is API standard button-type, including outer cylinder
1, middle cylinder assembly, ball seat assembly, main assemblage of spring and middle tube filler axis 17.
1 top of outer cylinder is taper box thread, and lower part is taper male thread；Edge on the middle and upper part side wall of the outer cylinder 1
Circumferencial direction is uniformly provided with several threaded holes, is mounted in each threaded hole and matches with following inner sleeve axis 16
And the guide pin 7 of its movement is limited, the guide pin 7 is inserted into the slideway 18 of following inner sleeve axis 16；On in the outer cylinder 1
By-pass prot 5 is offered on portion's side wall, positioned at the surface of threaded hole described in each.
The middle cylinder assembly is located at the 1 inside middle and upper part of outer cylinder, is connected in the outer cylinder 1 by the guide pin 7
Portion, including middle cylinder box thread section 2, middle cylinder male thread section 6, inner sleeve axis 16 and the first baffle ring 3.Middle 2 He of cylinder box thread section
The middle cylinder male thread section 6 is connected with each other, and is fixed at 1 inside of outer cylinder, and the middle cylinder box thread is located in described
The top of cylinder male thread；The inner sleeve axis 16 be located at the middle cylinder box thread section 2 and the inside of the middle cylinder male thread section 6 and with
It can mutually move between the middle cylinder box thread section 2 and the middle cylinder male thread section 6 and (move up and down and rotate), in the inner sleeve
The top of axis 16 is threadedly coupled first baffle ring 3, and first baffle ring 3 is located at 2 inside of middle cylinder box thread section.Wherein,
The inner sleeve axis 16 is cylinder-like structure, and upper and lower two sides are respectively arranged with trapezoidal box thread, wherein along circle in upper portion side wall
Circumferential direction be uniformly provided with several one-to-one through-holes 19 of by-pass prot 20 on following middle ball seats 14, its underpart is circumferentially
Direction is provided with the slideway 18 matched with the guide pin 7；The slideway 18 is by one-to-one several with the guide pin 7
A J-type slot is circumferentially connected to composition, and (the i.e. described J-type slot is identical with the number of the guide pin 7, each described guide pin 7 is
The long sliding slot 22 or short groove 23 of the J-type slot are slid into simultaneously), the J-type slot includes the long sliding slot 22 axially arranged, and is set
Set the short groove 23 with certain angle arrangement between long 22 top of sliding slot and axis, the short groove 23 and adjacent J
The long sliding slot 22 of type groove is connected.The middle cylinder male thread section 6 is cylinder-like structure, and upper part is provided with male thread, middle part
On side wall it is peripherally disposed have with several one-to-one through-holes of by-pass prot 5 on the outer cylinder 1, on the side wall of its underpart
It is peripherally disposed to have and several one-to-one through-holes of threaded hole on the outer cylinder 1.
The ball seat assembly is located at the middle cylinder assembly inside upper part, including upper ball base interconnected 4,14 and of middle ball seat
Lower ball base 15；The upper ball base 4 and the lower ball base 15 are respectively arranged on 16 inside of inner sleeve axis by interference fit
Portion.The upper ball base 4 and the lower ball base 15 are the cylinder-like structure of open topped；The middle ball seat 14 is cylindric knot
Structure is along the circumferential direction uniformly provided with several by-pass prots corresponding with the by-pass prot 5 on the outer cylinder 1 in middle part of sliding channel
20.The upper ball base 4 and the lower ball base 15 are all made of the height resilient nonmetallic material such as polyurethane material or rubber material and are made；
The middle ball seat 14 is made of cemented carbide material.
The middle tube filler axis 17 is located at 1 inside of outer cylinder and forms annular space chamber, the middle tube filler between the outer cylinder 1
The top of axis 17 is threadedly connected to the lower part of the inner sleeve axis 16, and the lower outside of the middle tube filler axis 17 passes through clearance fit
It is provided with floating piston 10, the bottom of the middle tube filler axis 17 is connected with second gear ring 11.Wherein, the floating piston 10 is circle
Tubular structure is provided with wide-angle chamfering outside upper and lower two sides, is respectively arranged with O-ring 21 inside and outside middle part.
The main assemblage of spring is located at that the annular space is intracavitary, including the disc spring 9 being in contact with 16 bottom surface of inner sleeve axis,
With the gasket 8 being arranged in the disc spring 9, the gasket 8 is provided with 3, be located at the top of the disc spring 9, middle part and
Lower part.When operation, delivering the operation ball cylinder assembly compressed spring assembly in drive that builds the pressure makes its store energy, and operation ball passes through ball seat
After assembly, energy is stored by disc spring 9 and realizes the commutation of 16 outboard runner 18 of inner sleeve axis.
When needing to carry out plugging operations using control valve tripping in of the present invention arrival designated position, it is supreme that switch ball 12 is thrown first
Ball seat 4, turn on pump, which builds the pressure, makes cylinder assembly in the drive of ball seat assembly move down simultaneously compressed spring assembly, and the commutation of slideway 18, guide pin 7 are fallen into
Short groove 23, at this point, the by-pass prot 5 on outer cylinder 1 and the by-pass prot 20 1 on the through-hole 19 and middle ball seat 14 on inner sleeve axis 16
One alignment, bypass passageways are opened；Continue to suppress until switch ball 12 is entered below controlling lost circulation valve tool by ball seat assembly
It catches in ball device；Then batching sphere 13 is thrown to lower ball base 15, and inner passage is isolated, carries out plugging operations；After to operation, again
Switch ball 12 is thrown to upper ball base 4, turn on pump, which builds the pressure, makes cylinder assembly in the drive of ball seat assembly move down simultaneously compressed spring assembly, and slideway 18 is again
Secondary commutation, guide pin 7 fall into long sliding slot 22, and bypass passageways are closed, and then proceed by drillng operation.To encounter leakage bottom again
When layer, above-mentioned movement is repeated, carries out plugging operations again.
Claims (8)
1. a kind of controlling lost circulation valve, which is characterized in that including outer cylinder, middle cylinder assembly, ball seat assembly, main assemblage of spring and middle tube filler
Axis；
The middle cylinder assembly is located at middle and upper part on the inside of the outer cylinder, including middle cylinder box thread section, middle cylinder male thread section, inner sleeve axis
With the first baffle ring；The middle cylinder box thread section and the middle cylinder male thread section are connected with each other, and are fixedly installed in the outer cylinder
Side, the middle cylinder box thread are located at the top of the middle cylinder male thread；The inner sleeve axis be located at the middle cylinder box thread section and
It can mutually be moved on the inside of the middle cylinder male thread section and between the middle cylinder box thread section and the middle cylinder male thread section, it is described
The top of inner sleeve axis connects first baffle ring, and first baffle ring is located on the inside of the middle cylinder box thread section；
The ball seat assembly is located at the middle cylinder assembly inside upper part, including upper ball base interconnected, middle ball seat and lower ball base；
The upper ball base and the lower ball base pass through interference fit and are respectively arranged at the inner sleeve axis inside upper part, the upper ball base energy
Switch ball is received, is along the circumferential direction uniformly provided with several by-pass prots in the switch ball quilt on the side wall of the middle ball seat
The opening for realizing bypass passageways corresponding with the by-pass prot on the outer cylinder or sequence are realized when receiving in the upper ball base
The closing of bypass passageways, the lower ball base can receive batching sphere to realize the closing of inner passage；
The middle tube filler axle position forms annular space chamber, the top of the middle tube filler axis on the inside of the outer cylinder and between the outer cylinder
It is connected to the lower part of the inner sleeve axis, the lower outside of the middle tube filler axis is provided with floating piston by clearance fit, institute
The bottom for stating middle tube filler axis is connected with second gear ring；
It is intracavitary that the main assemblage of spring is located at the annular space, including the disc spring being in contact with the inner sleeve axis bottom surface, and setting
Gasket in the disc spring；
It is provided with several on the outer tube side wall and merges the guide pin for limiting its movement with inner sleeve axis matching.
2. controlling lost circulation valve according to claim 1, which is characterized in that the outer cylinder top is taper box thread, lower part
For taper male thread；Along the circumferential direction be uniformly provided on the middle and upper part side wall of the outer cylinder with the guide pin correspond,
For installing the threaded hole of guide pin, the by-pass prot on the outer cylinder is arranged on the middle and upper part side wall of the outer cylinder and is located at every
The surface of one threaded hole.
3. controlling lost circulation valve according to claim 1, which is characterized in that the upper ball base and the lower ball base are top
Open cylinder-like structure；The middle ball seat is cylinder-like structure.
4. controlling lost circulation valve according to claim 1 or 3, which is characterized in that the upper ball base and the lower ball base are adopted
It is made of polyurethane material or rubber material；The middle ball seat is made of cemented carbide material.
5. controlling lost circulation valve according to claim 1, which is characterized in that the inner sleeve axis is cylinder-like structure, thereon,
Lower two sides are respectively arranged with trapezoidal box thread, be wherein along the circumferential direction uniformly provided in upper portion side wall on the middle ball seat
Several one-to-one through-holes of by-pass prot, its underpart is peripherally disposed the slideway matched with the guide pin.
6. controlling lost circulation valve according to claim 5, which is characterized in that the slideway with the guide pin by corresponding
Several J-type slots be circumferentially connected to composition, the J-type slot includes the long sliding slot axially arranged, and be arranged in the long sliding slot
Short groove with angle arrangement between top and axis, the short groove are connected with the long sliding slot of adjacent J-type slot.
7. controlling lost circulation valve according to claim 1, which is characterized in that the middle cylinder male thread section is cylinder-like structure,
Upper part is provided with male thread, in middle part of sliding channel it is peripherally disposed have it is one-to-one with the by-pass prot on the outer cylinder
Several through-holes, it is peripherally disposed on the side wall of its underpart to have that one-to-one several are logical with the threaded hole on the outer cylinder
Hole.
8. controlling lost circulation valve according to claim 1, which is characterized in that the floating piston is cylinder-like structure, thereon
It is provided with chamfering outside lower two sides, is respectively arranged with O-ring inside and outside middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710414392.XA CN107152258B (en) | 2017-06-05 | 2017-06-05 | A kind of controlling lost circulation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710414392.XA CN107152258B (en) | 2017-06-05 | 2017-06-05 | A kind of controlling lost circulation valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107152258A CN107152258A (en) | 2017-09-12 |
| CN107152258B true CN107152258B (en) | 2019-06-18 |
Family
ID=59794904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710414392.XA Active CN107152258B (en) | 2017-06-05 | 2017-06-05 | A kind of controlling lost circulation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107152258B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162668A (en) * | 2018-10-13 | 2019-01-08 | 中石化石油工程技术服务有限公司 | Multi-functional multiple switching circulating valve |
| CN110644946A (en) * | 2019-10-21 | 2020-01-03 | 山西环界石油钻具制造股份有限公司 | Leakage stoppage control valve and control method |
| CN115434660A (en) * | 2021-06-03 | 2022-12-06 | 中国石油化工股份有限公司 | Rotary jet plugging device for oil well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2533394C1 (en) * | 2013-08-01 | 2014-11-20 | Общество с ограниченной ответственностью "Газпром ПХГ" | Cut-off valve |
| CN105332665A (en) * | 2015-11-26 | 2016-02-17 | 中国石油集团长城钻探工程有限公司 | Downhole multipath variable displacement circulating debris-carrying tool |
| EP2984279A2 (en) * | 2013-04-11 | 2016-02-17 | Weatherford Technology Holdings, LLC | Telemetry operated tools for cementing a liner string |
| CN105525875A (en) * | 2014-09-28 | 2016-04-27 | 中国石油化工集团公司 | Rotary steering well drilling device |
| CN205578396U (en) * | 2016-03-04 | 2016-09-14 | 中国石油集团渤海钻探工程有限公司 | Automatically controlled two -way power device that surges in pit |
-
2017
- 2017-06-05 CN CN201710414392.XA patent/CN107152258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2984279A2 (en) * | 2013-04-11 | 2016-02-17 | Weatherford Technology Holdings, LLC | Telemetry operated tools for cementing a liner string |
| RU2533394C1 (en) * | 2013-08-01 | 2014-11-20 | Общество с ограниченной ответственностью "Газпром ПХГ" | Cut-off valve |
| CN105525875A (en) * | 2014-09-28 | 2016-04-27 | 中国石油化工集团公司 | Rotary steering well drilling device |
| CN105332665A (en) * | 2015-11-26 | 2016-02-17 | 中国石油集团长城钻探工程有限公司 | Downhole multipath variable displacement circulating debris-carrying tool |
| CN205578396U (en) * | 2016-03-04 | 2016-09-14 | 中国石油集团渤海钻探工程有限公司 | Automatically controlled two -way power device that surges in pit |
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| Publication number | Publication date |
|---|---|
| CN107152258A (en) | 2017-09-12 |
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| CB02 | Change of applicant information |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: CNOOC Energy Development Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant before: China National Offshore Oil Corporation Applicant before: CNOOC Energy Development Co., Ltd. |
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