CN205400641U - Sampler is sealed in shale gas and rock core pressurize - Google Patents
Sampler is sealed in shale gas and rock core pressurize Download PDFInfo
- Publication number
- CN205400641U CN205400641U CN201620207088.9U CN201620207088U CN205400641U CN 205400641 U CN205400641 U CN 205400641U CN 201620207088 U CN201620207088 U CN 201620207088U CN 205400641 U CN205400641 U CN 205400641U
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- basket
- notifying
- single action
- bullet
- spring
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Abstract
The utility model discloses a sampler is sealed in shale gas and rock core pressurize since drags for mechanism, bullet card positioning mechanism, hangs single action mechanism, puts in place and notify that mechanism, upper end sealing mechanism, basket, rock core card off line construct and lower extreme sealing mechanism forms, salvages mechanism, bullet card positioning mechanism, hangs single action mechanism, puts in place to notify mechanism, upper end sealing mechanism, basket, rock core card off line and construct to set gradually with lower extreme sealing mechanism and be in the same place, drop into from creep into before to taking out the rock core in -process in the well, experience following process in proper order: target in place, notify, the upper end is sealed, the disconnected rock core of card, the lower extreme is sealed and salvage. The utility model discloses it is with low costs, have sealed function, the operation of being convenient for, the success rate height can reduce the interference that divides the shale pneumatolytic to the gas outgoing of original existence in the basket simultaneously, adopts the mode of wire line coring, and the in -process is put in to the sampler, has the mobile passageway of drilling fluid in the basket, can report to the police after targetting in place, can accelerate the input process.
Description
Technical field
This utility model relates to shale gas exploration enclosed sampling technical field, particularly to a kind of shale gas and rock core pressurize sealed sampler.
Background technology
Shale gas is a kind of Unconventional forage, it is composed to be stored in and preserves in series of rocks based on what be rich in organic shale, evaluating reservoir, the stage of prospecting are the important means assessing shale gas constituency potentiality to be exploited, and the hole bed rock heart obtaining undisturbed is the emphasis of exploration phase, oil generation gas-bearing formation character, oil and gas development had directive function.Conventional CORING TECHNOLOGY can allow rock core contact with the drilling fluid of flowing in extraction process, the composition of rock core Free Gas, content are changed, and adopt sealing core drilling, the pressure maintaining sealed coring technology retaining hole bed rock heart of can trying one's best to compose the state deposited, keep the relatively stable of environment in rock core extraction process, more likely close to rock core state at the bottom of hole time.
During sealing core drilling, being generally adopted by sealing fluid, cost is of a relatively high, and rock core is easily subject to the erosion of the drilling fluid flowed, thus polluting；Pressure maintaining sealed coring is then more dependent on ball valve and completes to seal, reliability promotes to some extent, but sleeve mechanism is complicated, many places consumable accessory is had to easily cause seal failure, success rate is still not high, existing sealing core drilling and the many employings of pressure maintaining sealed coring technology carry and drill through the heart so that round trip drilling efficiency is very low, and easily causes drilling accident.
Summary of the invention
The purpose of this utility model is to solve above-mentioned existing sealing core drilling and the many employings of pressure maintaining sealed coring technology carry and drill through the heart so that round trip drilling efficiency is very low, and easily causes drilling accident, during sealing core drilling, relatively costly, rock core easily corrodes, thus polluting；Pressure maintaining sealed coring sleeve mechanism is complicated, it is easy to cause seal failure, the problems such as success rate is low, and provides a kind of shale gas and rock core pressurize sealed sampler.
This utility model by salvaging mechanism, bullet card detent mechanism, hang single action mechanism, notify mechanism, upper end sealing mechanism, basket, rock core card breaking mechanism and the lower end sealing mechanism of putting in place forms, salvaging mechanism, bullet card detent mechanism, hang single action mechanism, the mechanism that notifies of putting in place is threaded togather successively, upper end sealing mechanism, basket, rock core card breaking mechanism and lower end sealing mechanism are threaded togather successively, and the mechanism that notifies of putting in place is arranged on sealing mechanism upper end, upper end；
Salvaging mechanism includes dragging for spearhead, reclaims pipe cap, the first elastic cylindrical pin, back-moving spring, drags for lance seat and recovery tube, drag for spearhead and drag for lance seat by the first hinged setting of elastic cylindrical pin, first elastic cylindrical pin is through reclaiming pipe cap, reclaim pipe cap lower end and recovery tube threaded upper ends links together, drag for lance seat and be arranged in recovery pipe cap, back-moving spring and drag for lance seat and be arranged in recovery tube, back-moving spring is arranged on recovery pipe cap and drags between lance seat；
Bullet card detent mechanism includes the second elastic cylindrical pin, recovery tube, first bullet card rises spring, first plays clamp, play deck, play card holder, 3rd elastic cylindrical pin and the 4th elastic cylindrical pin, the first bullet card spring that rises is arranged on the first bullet clamp upper end, and strut the first bullet clamp, first plays clamp, pass sequentially through the 3rd elastic cylindrical pin between bullet deck and bullet card holder and connection is set, first plays clamp, play deck and bullet card holder is arranged in recovery tube, play card holder upper end to coordinate with recovery tube lower gap, play card holder and recovery tube to be set together by the second elastic cylindrical pin is hinged, play deck and bullet card holder is set together by the 4th elastic cylindrical pin is hinged；
Hang single action mechanism and include reducing joint, hanging ring, positioning joint, thrust bearing and single action parts of notifying, reducing joint upper end is threaded togather with playing card holder lower end, hanging ring upper end and reducing joint lower end are threaded togather, positioning joint is arranged in reducing joint and hanging ring, thrust bearing is arranged on hanging ring, and it is enclosed within single action parts of notifying, single action of notifying component upper ends is threaded on positioning joint, and single action of notifying parts are in the central passage of thrust bearing and hanging ring；
The mechanism that notifies includes notify sealed valve core, single action of notifying parts, notify spring and basket top connection, basket top connection upper end is threaded togather with single action lower of notifying, notify sealed valve core and spring of notifying is arranged on single action part centre of notifying, having little bullet card room in single action of notifying parts, sealed valve core of notifying is arranged on spring upper end of notifying；
Upper end sealing mechanism include notifying single action parts, the second bullet card rise spring, second play clamp, alignment pin, O RunddichtringO and basket top connection, second bullet card rise spring, second play clamp, alignment pin, O RunddichtringO are separately positioned on and notify in single action parts, the second bullet card spring that rises is arranged on the second bullet clamp upper end, the second bullet card spring that rises struts the second bullet clamp, second bullet clamp and single action parts of notifying are set together by alignment pin is hinged, and O RunddichtringO is arranged on notifies in sealed valve core；
Basket includes basket top connection, basket main body and basket lower contact, basket top connection and basket lower contact and is threaded in the upper and lower two ends of basket main body respectively；
Rock core card breaking mechanism includes basket main body, basket lower contact and jump ring, and jump ring is in the threaded connection place of basket main body and basket lower contact；
Lower end sealing mechanism includes basket lower contact, seal bent plate, articulated joint and the 3rd rises spring, seals bent plate and the 3rd spring that rises and is hinged in basket lower contact by articulated joint, and sealing bent plate is hinged in articulated joint.
Operation principle of the present utility model and process:
1, creep into and in new round trip forward direction drilling rod, put into complete sampler, then drive slush pump and apply pump pressure, sampler in dropping process, the fluid in basket from notify mechanism through putting in place and drilling fluid flow channel overflow that upper end sealing mechanism leaves and go out, discharge gas in obturator；
2, sampler arrives after at the bottom of hole, hanging ring drops on bearing ring, block the passage that mud is descending, in drilling rod, sampler upper end drilling liquid pressure is gradually increased, sealed valve core of notifying overcomes the spring resistance walking downwards of notifying under the effect of pressure differential, open drilling fluid flow channel so that moment borehole pressure reduces, slush pump registration diminishes, thus completing the work of notifying that puts in place；
3, while sealed valve core of notifying completes to notify, block the passage of drilling fluid and basket top connection circulation by O RunddichtringO, played clamp and limited by bullet card room, it is impossible to be up, O RunddichtringO contacts with basket top connection all the time, completes the seal operation to sampler upper end；
4, in drilling process, hanging ring, thrust bearing, positioning joint constitute single action system, it is possible to making reducing joint and hanging ring and above section turn round with drilling rod, interior pipe remainder is then motionless with rock core；
When 5, coring, rock core card is broken by jump ring, then proceed to about 20cm at the bottom of drilling rod lift-off hole is sealed bent plate sufficient space at deadweight and the 3rd seal-moving risen under spring force effect to leave lower end for, with rope, the salvaging of interior pipe is portalled at the end afterwards, now in drilling rod, pump pressure reduces, owing to having certain pressure in interior pipe so that lower end seals bent plate and firmly seals up, sampler is cored completing at the bottom of hole, enters wire line coring salvage.
The beneficial effects of the utility model:
This utility model simple in construction, installation, convenient disassembly, advantage of lower cost, the sealing ring of the only basket upper end often changed, operation is easy in the realization of sealing function, and success rate is high, the gas being originally present in basket can be discharged simultaneously, reduce the interference to shale gas composition, adopt the mode of wire line coring, in sampler launch process, the passage that drilling fluid flows is had in basket, by notifying authority notification operator after putting in place, launch process can be accelerated, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of this utility model the first half.
Fig. 2 is the structure sectional view of this utility model the latter half.
Fig. 3 is structure sectional view of the present utility model.
Detailed description of the invention
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, this utility model by salvaging mechanism 1, bullet card detent mechanism 2, hang single action mechanism 3, notify mechanism 4, upper end sealing mechanism 5, basket 6, rock core card breaking mechanism 7 and the lower end sealing mechanism 8 of putting in place forms, salvaging mechanism 1, bullet card detent mechanism 2, hang single action mechanism 3, the mechanism 4 that notifies of putting in place is threaded togather successively, upper end sealing mechanism 5, basket 6, rock core card breaking mechanism 7 and lower end sealing mechanism 8 are threaded togather successively, and the mechanism 4 that notifies of putting in place is arranged on upper end sealing mechanism 5 upper end；
Salvaging mechanism 1 includes dragging for spearhead 11, reclaims pipe cap the 12, first elastic cylindrical pin 13, back-moving spring 14, drags for lance seat 15 and recovery tube 16, drag for spearhead 11 and drag for lance seat 15 by the first hinged setting of elastic cylindrical pin 13, first elastic cylindrical pin 13 is through reclaiming pipe cap 12, reclaim pipe cap 12 lower end and recovery tube 16 threaded upper ends links together, drag for lance seat 15 and be arranged in recovery pipe cap 12, back-moving spring 14 and drag for lance seat 15 and be arranged in recovery tube 16, back-moving spring 14 is arranged on recovery pipe cap 12 and drags between lance seat 15；
Bullet card detent mechanism 2 includes the second elastic cylindrical pin 21, recovery tube 16, first bullet card rises spring 22, first plays clamp 23, play deck 24, play card holder 25, 3rd elastic cylindrical pin 27 and the 4th elastic cylindrical pin 28, the first bullet card spring 22 that rises is arranged on the first bullet clamp 23 upper end, and strut the first bullet clamp 23, first plays clamp 23, pass sequentially through the 3rd elastic cylindrical pin 27 between bullet deck 24 and bullet card holder 25 and connection is set, first plays clamp 23, play deck 24 and bullet card holder 25 is arranged in recovery tube 16, play card holder 25 upper end to coordinate with recovery tube 16 lower gap, play card holder 25 and recovery tube 16 is set together by the second elastic cylindrical pin 21 is hinged, play deck 24 and bullet card holder 25 is set together by the 4th elastic cylindrical pin 28 is hinged；
Hang single action mechanism 3 and include reducing joint 31, hanging ring 32, positioning joint 33, thrust bearing 34 and single action parts 36 of notifying, reducing joint 31 upper end is threaded togather with playing card holder 25 lower end, hanging ring 32 upper end and reducing joint 31 lower end are threaded togather, positioning joint 33 is arranged in reducing joint 31 and hanging ring 32, thrust bearing 34 is arranged on hanging ring 32, and it is enclosed within single action parts 36 of notifying, single action of notifying parts 36 threaded upper ends is connected on positioning joint 33, and single action of notifying parts 36 are in the central passage of thrust bearing 34 and hanging ring 32；
The mechanism 4 that notifies includes notify sealed valve core 41, single action of notifying parts 36, notify spring 42 and basket top connection 43, basket top connection 43 upper end is threaded togather with single action parts 36 lower end of notifying, notify sealed valve core 41 and spring 42 of notifying is arranged on single action parts 36 center of notifying, having little bullet card room in single action of notifying parts 36, sealed valve core 41 of notifying is arranged on spring 42 upper end of notifying；
Upper end sealing mechanism 5 single action parts the 36, second bullet card spring 51, second that rises that includes notifying plays clamp 52, alignment pin 53, O RunddichtringO 54 and basket top connection 43, second bullet card rises, and spring 51, second plays clamp 52, alignment pin 53, O RunddichtringO 54 are separately positioned on and notify in single action parts 36, the second bullet card spring 51 that rises is arranged on the second bullet clamp 52 upper end, the second bullet card spring 51 that rises struts the second bullet clamp 52, second bullet clamp 52 and single action parts 36 of notifying are set together by alignment pin 53 is hinged, and O RunddichtringO 54 is arranged on notifies in sealed valve core 41；
Basket 6 includes basket top connection 43, basket main body 61 and basket lower contact 62, basket top connection 43 and basket lower contact 62 and is threaded in basket main body about 61 two ends respectively；
Rock core card breaking mechanism 7 includes basket main body 61, basket lower contact 62 and jump ring 71, and jump ring 71 is in the threaded connection place of basket main body 61 and basket lower contact 62；
Lower end sealing mechanism 8 includes basket lower contact 62, seals bent plate 81, articulated joint 82 and the 3rd rises by spring 83, seals bent plate 81 and the 3rd spring 83 that rises and is hinged in basket lower contact 62 by articulated joint 82, seals bent plate 81 and be hinged in articulated joint 82.
Operation principle of the present utility model and process:
Refer to shown in Fig. 1, Fig. 2 and Fig. 3:
1, creep into and in new round trip forward direction drilling rod, put into complete sampler, then drive slush pump and apply pump pressure, sampler is in dropping process, fluid in basket 6 from through 5 put in place notify mechanism 4 and drilling fluid flow channel 26 overflow that upper end sealing mechanism leaves and go out, discharge gas in obturator；
2, sampler arrives after at the bottom of hole, hanging ring 32 drops on bearing ring, block the passage that mud is descending, in drilling rod, sampler upper end drilling liquid pressure is gradually increased, sealed valve core 41 of notifying overcomes spring 42 resistance walking downwards of notifying under the effect of pressure differential, open drilling fluid flow channel 26 so that moment borehole pressure reduces, slush pump registration diminishes, thus completing the work of notifying that puts in place；
3, while sealed valve core 41 of notifying completes to notify, block the passage of drilling fluid and basket top connection 43 circulation by O RunddichtringO 54, played clamp and limited by bullet card room, it is impossible to be up, O RunddichtringO contacts with basket top connection all the time, completes the seal operation to sampler upper end；
4, in drilling process, hanging ring 32, thrust bearing 34, positioning joint 33 constitute single action system, it is possible to making reducing joint 31 and hanging ring 32 and above section turn round with drilling rod, interior pipe remainder is then motionless with rock core；
When 5, coring, rock core card is broken by jump ring 71, then proceed to about 20cm at the bottom of drilling rod lift-off hole is sealed bent plate 81 sufficient space at deadweight and the 3rd seal-moving risen under spring 83 power effect to leave lower end for, with rope, the salvaging of interior pipe is portalled at the end afterwards, now in drilling rod, pump pressure reduces, owing to having certain pressure in interior pipe so that lower end seals bent plate 81 and firmly seals up, sampler is cored completing at the bottom of hole, enters wire line coring salvage.
Claims (1)
1. a shale gas and rock core pressurize sealed sampler, it is characterized in that: be by salvaging mechanism (1), bullet card detent mechanism (2), hang single action mechanism (3), put in place the mechanism (4) that notifies, upper end sealing mechanism (5), basket (6), rock core card breaking mechanism (7) and lower end sealing mechanism (8) composition, salvaging mechanism (1), bullet card detent mechanism (2), hang single action mechanism (3), put in place the mechanism (4) that notifies is threaded togather successively, upper end sealing mechanism (5), basket (6), rock core card breaking mechanism (7) and lower end sealing mechanism (8) are threaded togather successively, put in place the mechanism (4) that notifies is arranged on upper end sealing mechanism (5) upper end；
Salvaging mechanism (1) includes dragging for spearhead (11), reclaim pipe cap (12), first elastic cylindrical pin (13), back-moving spring (14), drag for lance seat (15) and recovery tube (16), drag for spearhead (11) and drag for lance seat (15) by the first elastic cylindrical pin (13) hinged setting, first elastic cylindrical pin (13) is through reclaiming pipe cap (12), reclaim pipe cap (12) lower end and recovery tube (16) threaded upper ends links together, drag for lance seat (15) and be arranged in recovery pipe cap (12), back-moving spring (14) and drag for lance seat (15) and be arranged in recovery tube (16), back-moving spring (14) is arranged on recovery pipe cap (12) and drags between lance seat (15)；
nullBullet card detent mechanism (2) includes the second elastic cylindrical pin (21)、Recovery tube (16)、First bullet card rises spring (22)、First plays clamp (23)、Play deck (24)、Play card holder (25)、3rd elastic cylindrical pin (27) and the 4th elastic cylindrical pin (28)，The first bullet card spring (22) that rises is arranged on the first bullet clamp (23) upper end，And strut the first bullet clamp (23)，First plays clamp (23)、Pass sequentially through the 3rd elastic cylindrical pin (27) between bullet deck (24) and bullet card holder (25) and connection is set，First plays clamp (23)、Play deck (24) and bullet card holder (25) is arranged in recovery tube (16)，Play card holder (25) upper end to coordinate with recovery tube (16) lower gap，Play card holder (25) and recovery tube (16) is set together by the second elastic cylindrical pin (21) is hinged，Play deck (24) and bullet card holder (25) is set together by the 4th elastic cylindrical pin (28) is hinged；
Hang single action mechanism (3) and include reducing joint (31), hanging ring (32), positioning joint (33), thrust bearing (34) and single action parts (36) of notifying, reducing joint (31) upper end is threaded togather with playing card holder (25) lower end, hanging ring (32) upper end and reducing joint (31) lower end are threaded togather, positioning joint (33) is arranged in reducing joint (31) and hanging ring (32), thrust bearing (34) is arranged on hanging ring (32), and it is enclosed within single action parts (36) of notifying, single action of notifying parts (36) threaded upper ends is connected on positioning joint (33), single action of notifying parts (36) is in the central passage of thrust bearing (34) and hanging ring (32)；
The mechanism (4) that notifies includes notify sealed valve core (41), single action of notifying parts (36), spring of notifying (42) and basket top connection (43), basket top connection (43) upper end is threaded togather with single action parts (36) lower end of notifying, notify sealed valve core (41) and spring of notifying (42) is arranged on single action parts (36) center of notifying, having little bullet card room in single action of notifying parts (36), sealed valve core of notifying (41) is arranged on spring of notifying (42) upper end；
Upper end sealing mechanism (5) includes single action parts (36) of notifying, second bullet card rises spring (51), second plays clamp (52), alignment pin (53), O RunddichtringO (54) and basket top connection (43), second bullet card rises spring (51), second plays clamp (52), alignment pin (53), O RunddichtringO (54) is separately positioned on notifies in single action parts (36), the second bullet card spring (51) that rises is arranged on the second bullet clamp (52) upper end, the second bullet card spring (51) that rises struts the second bullet clamp (52), second bullet clamp (52) and single action parts (36) of notifying are set together by alignment pin (53) is hinged, O RunddichtringO (54) is arranged in sealed valve core of notifying (41)；
Basket (6) includes basket top connection (43), basket main body (61) and basket lower contact (62), basket top connection (43) and basket lower contact (62) and is threaded in basket main body (61) two ends up and down respectively；
Rock core card breaking mechanism (7) includes basket main body (61), basket lower contact (62) and jump ring (71), and jump ring (71) is in the threaded connection place of basket main body (61) and basket lower contact (62)；
Lower end sealing mechanism (8) includes basket lower contact (62), seals bent plate (81), articulated joint (82) and the 3rd is risen spring (83), sealing bent plate (81) and the 3rd spring (83) that rises is hinged in basket lower contact (62) by articulated joint (82), sealing bent plate (81) is hinged in articulated joint (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207088.9U CN205400641U (en) | 2016-03-17 | 2016-03-17 | Sampler is sealed in shale gas and rock core pressurize |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207088.9U CN205400641U (en) | 2016-03-17 | 2016-03-17 | Sampler is sealed in shale gas and rock core pressurize |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205400641U true CN205400641U (en) | 2016-07-27 |
Family
ID=56421896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620207088.9U Withdrawn - After Issue CN205400641U (en) | 2016-03-17 | 2016-03-17 | Sampler is sealed in shale gas and rock core pressurize |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205400641U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569594A (en) * | 2016-03-17 | 2016-05-11 | 吉林大学 | Pressure-maintaining sealed sampler for shale gas and core |
| CN106568609A (en) * | 2016-11-07 | 2017-04-19 | 北京探矿工程研究所 | Rope impact type heat-preservation pressure-maintaining sampling drilling tool |
| CN109138882A (en) * | 2018-09-03 | 2019-01-04 | 吉林大学 | Gas hydrates refrigerating and pressure keeping Sampling driller and sampling method |
| CN110593792A (en) * | 2019-09-26 | 2019-12-20 | 大庆市达美石油装备制造有限公司 | Intelligent coring tool for measurement while drilling |
-
2016
- 2016-03-17 CN CN201620207088.9U patent/CN205400641U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569594A (en) * | 2016-03-17 | 2016-05-11 | 吉林大学 | Pressure-maintaining sealed sampler for shale gas and core |
| CN106568609A (en) * | 2016-11-07 | 2017-04-19 | 北京探矿工程研究所 | Rope impact type heat-preservation pressure-maintaining sampling drilling tool |
| CN109138882A (en) * | 2018-09-03 | 2019-01-04 | 吉林大学 | Gas hydrates refrigerating and pressure keeping Sampling driller and sampling method |
| CN110593792A (en) * | 2019-09-26 | 2019-12-20 | 大庆市达美石油装备制造有限公司 | Intelligent coring tool for measurement while drilling |
| CN110593792B (en) * | 2019-09-26 | 2023-06-27 | 大庆市达美石油装备制造有限公司 | Intelligent coring tool for measurement while drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20180612 |