CN207673303U - Adaptive membrane type shale gas and rock core pressurize sealed sampler - Google Patents

Abstract

The utility model discloses a kind of adaptive membrane type shale gas and rock core pressurize sealed samplers; it is made of salvaging mechanism, bullet card detent mechanism, the mechanism that notifies in place, core plugging alarm mechanism, single action protection mechanism, regulating mechanism, pressurize sealing probe tube and the disconnected sealing mechanism of rock core card; and it passes sequentially through and is threaded togather; the sampler can be not only used for small-bore wire line coring construction; by the speed for accelerating to launch and extract, the efficiency of sampling is improved；It can be used for major diameter again and carry brill centering technique, convenient for applying in practice, large diameter core can be obtained, expand application range and coring ability；The utility model has pressurize sealing function, easy to operation, and success rate is high, the gas being originally present in basket can be discharged simultaneously, the interference to shale gas ingredient be reduced, after the completion of coring, rock core enclosure portion dismounts conveniently moving in analysis detection-phase, is convenient for later analysis test.

Description

Adaptive membrane type shale gas and rock core pressurize sealed sampler

Technical field

The utility model is related to shale gas and rock core to explore enclosed sampling technical field, more particularly to a kind of adaptive membrane type Shale gas and rock core pressurize sealed sampler.

Background technology

Shale gas is the natural gas produced from rammell or shale layer, is a kind of huge reserves, cleaning, environmentally friendly tax The Unconventional gas being stored in shale.Core drilling technology is the core technology in shale gas exploitation exploration evaluation and test stage early period One of, to instructing subsequent work that there is extremely important meaning.Conventional CORING TECHNOLOGY can make rock core in extraction process by The erosion pollution of drilling fluid causes the ingredient of free gas, content in rock core to change.Currently, sealed coring technique, pressurize are close It is to use relatively broad CORING TECHNOLOGY to close CORING TECHNOLOGY and hole bottom refrigerating and pressure keeping enclosed sampling technology, they can be as possible The state of retaining hole bed rock heart preservation, keep rock core extraction process in environment relatively stablize, be more likely to close to rock core in bottom hole Home state；

But they all have the shortcomings that respective, it is difficult to meet development need of the China in terms of shale gas exploitation.It is closed to take When the heart, it is generally adopted by sealing fluid, the cost is relatively high, and rock core is easy to be corroded by the drilling fluid flowed, to It pollutes；Pressure maintaining sealed coring is more then to complete sealing by ball valve, and reliability is promoted, but sleeve mechanism is multiple It is miscellaneous, there is many places vulnerable part to be easy to cause seal failure, success rate is not still high, existing sealing core drilling and pressure maintaining sealed coring technology It mostly uses to carry and drills through the heart so that round trip drilling efficiency is very low, and be easy to cause drilling accident.Hole bottom refrigerating and pressure keeping sealing core drilling Technology includes mainly liquid nitrogen frozen coring and dry ice sublimation formula coring, when liquid nitrogen frozen coring, since liquid nitrogen is placed in bottom hole drilling tool It is interior, since liquid nitrogen easily vaporizes the vaporization for adding mechanical oscillation and accelerating liquid nitrogen in drilling process, lead to the freezing efficiency of liquid nitrogen It reduces；When dry ice sublimation formula coring, if the temperature of freezing core is insufficient to low, hydrate rock core also has a small amount of point Solution, influences the fidelity effect of hydrate rock core.And both coring apparatus are complicated, easy to produce damage, inefficient, Therefore, novel CORING TECHNOLOGY is developed, novel corer is designed, is a current urgent problem to be solved.

Invention content

The purpose of this utility model is to solve above-mentioned existing sealing core drilling and pressure maintaining sealed coring technology mostly uses and carries brill Coring so that round trip drilling efficiency is very low, and be easy to cause drilling accident, and when sealing core drilling, cost is higher, and rock core is easy to invade Erosion, to pollute；Pressure maintaining sealed coring sleeve mechanism is complicated, be easy to cause seal failure, success rate is low；Freeze coring skill The problems such as art is complicated, and efficiency is low, and a kind of adaptive membrane type shale gas and rock core pressurize sealed sampler are provided.

Adaptive membrane type shale gas and rock core pressurize sealed sampler, be by be by salvaging mechanism, bullet card detent mechanism, to Position notify mechanism, core plugging alarm mechanism, single action protection mechanism, regulating mechanism, pressurize sealing probe tube and rock core card break it is close Sealing mechanism form, salvaging mechanism, bullet card detent mechanism, the mechanism that notifies in place, core plugging alarm mechanism, single action protection mechanism, Regulating mechanism, pressurize sealing probe tube and the disconnected sealing mechanism of rock core card are threaded togather successively.

Salvaging mechanism includes fishing spearhead, recycling pipe cap, the first elastic cylindrical pin, resetting spring, drags for lance seat and recovery tube, the One elastic cylindrical pin pass through fishing spearhead, recycling pipe cap and fishing lance seat, will fishing spearhead be hinged on fishing lance seat on, recycling pipe cap lower end and Recovery tube threaded upper ends connect, and resetting spring is positioned on fishing lance seat, upper contact recycling pipe cap lower part, recycling pipe cap lower part, Resetting spring and fishing lance seat are all located inside recovery tube.

Bullet card detent mechanism include recovery tube, bullet card rise spring, play clamp, the second elastic cylindrical pin, third elastic cylindrical pin, Play deck, the 4th elastic cylindrical pin and play card holder, bullet card rise two stabilizer blades of spring be separately mounted to play clamp both wings groove in, will It plays clamp to strut, plays clamp, plays deck and play card holder setting in recovery tube, and successively by the second elastic cylinder pin connection Come, bullet deck upper end and recovery tube clearance fit, third elastic cylindrical pin will play clamp and bullet card holder is hinged, play deck Card holder is then hinged by the 4th elastic cylindrical pin with playing.

The mechanism that notifies in place includes playing card holder, bonnet of notifying, valve seat of notifying, spring of notifying, valve outer tube of notifying, first O-shaped Sealing ring, the second O-ring seal report, notify ring and valve lower contact of notifying, valve outer tube of notifying are threadedly coupled with top bullet card holder, report Bonnet setting is believed in spring upper end of notifying, spring of notifying, which is located at, notifies on valve seat, and step is equipped in valve outer tube intermediate channel of notifying, It notifies bonnet, notifies spring and valve seat of notifying is sequentially located at from top to bottom on the step for valve outer tube intermediate channel of notifying, first is O-shaped Sealing ring and the second O-ring seal are placed in the groove for valve outer tube lower part of notifying, ring set of notifying in the lower part for notifying valve outer tube, under It is informed of a case letter valve lower contact, valve lower contact of notifying is connect with valve external pipe thread of notifying.

Core plugging alarm mechanism includes notify valve lower contact, the 5th elastic cylindrical pin, single action axis, folded spring, sliding sleeve and cunning Block set, notify valve lower contact lower part and single action axis top transition cooperation, and be articulated and connected by the 5th elastic cylindrical pin, on sliding sleeve Portion and valve lower contact transition cooperation of notifying, lower part are threadedly coupled with sleeve base, fold annular space of the spring between sliding sleeve and single action axis In, upper contact single action axis top, lower contacts sleeve base；

Single action protection mechanism includes single action axis, the first thrust bearing, upper bearing sleeve, copper sheathing, the second thrust bearing, lower bearing Set, spring, washer and nut, copper sheathing is loaded on inside upper bearing sleeve, and the two transition coordinates, the first thrust bearing, upper bearing sleeve, the Two thrust bearings, spring, washer and nut are through on single action axis successively from top to bottom, and nut is connect with single action axis tailing screw flight, Lower bearing sleeve top is connect with upper bearing sleeve bottom thread；

Regulating mechanism includes adjusting top connection, locking nut and adjusting lower contact, adjusts top connection top and lower bearing sleeve Lower thread connects, and lower part with locking nut, adjusts lower contact and be threadedly coupled, adjust lower contact and hemizygous pipe top screw thread successively Connection；

Pressurize sealing probe tube includes clip, slips, hemizygous pipe, fixed switch, straight pin and shrapnel, hemizygous pipe top with The connection of lower contact lower thread is adjusted, lower part is threadedly coupled with clip spring seat, and hemizygous pipe is equipped with hole slot, and straight pin is located at hemizygous pipe Hole slot in, shrapnel is mounted on straight pin, and fixed switch being installed in the hole slot right over shrapnel；

The disconnected sealing mechanism of rock core card connects including the second nut, seal cap, rubber pad, one-way overflow valve, diaphragm seal, sealing Head, clip spring seat, rubber seal, clamp spring baffle ring and clamp spring, rubber pad is mounted at the top of seal cap by the second nut, with seal cap It being threadedly coupled, diaphragm seal lower part is set on seal nipple, and top is set in seal cap, is located in the accumulator tank of hemizygous pipe lower part, Left and right is respectively provided with an one-way overflow valve inside seal cap, and seal nipple is threadedly connected to clip spring seat upper inner, and seal cap is close Sealer and seal nipple are all located in hemizygous pipe, and clip spring seat upper outside is threadedly connected to hemizygous pipe, rubber seal, clamp spring gear Circle and clamp spring are sequentially located in clip spring seat from top to bottom.

The operation principle and process of the utility model：

It is drilled (well) structure design according to target shale distribution of gas reservoir range, and is set according to hole (well) diameter and construction Standby situation selects the adaptive membrane type shale gas for being suitble to size and rock core pressurize sealed sampler and coring mode (wire line coring The heart is drilled through with carrying), the dimensions overall diameter of the sampler is respectively 89 mm, 114mm, 131mm and 140mm.It carries and drills through the heart only It needs pressurize sealing probe tube 7 and rock core the card sealing mechanism 8 that breaks and substitutes the inner tube and card of conventional single rotary double core barrel Spring；

Pressurize sealed sampler is first assembled hemizygous pipe 73 with slips 72 and clip 71 using preceding, and fixed switch 74 is pulled Under, the outside of shrapnel 76 is blocked, complete sampler is put into drilling rod before creeping into new round trip, slush pump is then opened and applies pump Pressure, for sampler in dropping process, drilling fluid is full of clip spring seat 86, and the uplink under the active force of drilling fluid of seal cap 81 is encountered Stop after shrapnel 76, after maintain relative position motionless under the action of shrapnel 76 again, it is unidirectional to overflow due to the downstream pressure of drilling fluid It flows valve 83 to open, drilling fluid is flowed out by one-way overflow valve 83 by the trepanning on 73 top of hemizygous pipe, is discharged former in sealing mechanism Some gas；

After pressurize sealed sampler reaches bottom hole, ring 37 of notifying is fallen on the bearing ring of outer tube, has blocked mud downlink Channel, 27 drilling liquid pressure of sampler upper end gradually increases in drilling rod, and bonnet 32 of notifying overcomes report under the action of pressure difference Believe 34 resistance downlink of spring, after downlink a distance, drilling fluid can enter valve of notifying by the trepanning 30 for 32 both sides of bonnet of notifying Among seat 33, through valve outer tube 35 of notifying, enter in drilling rod from the trepanning 40 for valve lower contact 39 of notifying, drilling fluid flow channel is beaten It opens so that moment borehole pressure reduces, slush pump registration becomes smaller, to complete work of notifying in place；

In drilling process, single action axis 42, the first thrust bearing 51, upper bearing sleeve 52, copper sheathing 53, the second thrust bearing 54, lower bearing sleeve 55, spring 56, washer 57 and nut 58 constitute single action system, can make the part of 42 or more single action axis with Drilling rod turns round, upper bearing sleeve 52 and then motionless with rock core with lower part, when breaking rock core, compressed spring 56, and inner tube and clip spring seat 86 are displaced downwardly in drill bit on step, and the power to break rock core reaches outer tube by drill bit, and protection inner tube is without damage；

When coring, rock core enters in clip spring seat 86, works as rock core into diaphragm seal 84 across rubber seal 87 After encountering seal cap 81, under the uplink force effect of rock core, seal cap 81 is turned up shrapnel 76 is open-top, and rock core continues to push up later 81 uplink of seal cap, when rock core is full of hemizygous pipe 73, seal cap 81, which is encountered, adjusts top connection 61, and active force is communicated up, pressure Spring 43 is folded in contracting, and 44 uplink of sliding sleeve blocks drilling fluid down going channel 40, and drilling liquid pressure increases in drilling rod, earth's surface slush pump registration It increases, completes core plugging alarm, at this moment above carry drilling tool, clamp spring 89 breaks rock core card, and lower rubber sealing ring 87 will be under rock core Portion seals, and completes bottom hole coring, carries out wire line coring salvage, and sampler is carried to earth's surface, in analysis detection-phase, above pulls Fixed switch 74, liberates shrapnel 76, unloads lower catch hoop 71, slips 72, opens hemizygous pipe 73, you can obtains seal core part.

The beneficial effects of the utility model：

The utility model is reasonable for structure, and installation, convenient disassembly, the realization of advantage of lower cost, sealing function is easy to operation, Success rate is high, while the gas being originally present in sealing device can be discharged, and the interference to shale gas ingredient is reduced, using rope The mode of coring in sampler launch process, has the channel that drilling fluid flows, in place afterwards by notifying in pressurize sealing probe tube Authority notification operating personnel can accelerate launch process, and after the completion of coring, core plugging alarm staff's coring is completed, Working efficiency is improved, rock core enclosure portion dismounts conveniently moving in analysis detection-phase after carrying to earth's surface, convenient for acting in next step.

Description of the drawings

Fig. 1 is the sectional view of the utility model.

Fig. 2 is the sectional view of the utility model first segment.

Fig. 3 is the sectional view of the utility model second segment.

Fig. 4 is the sectional view of the utility model third section.

Fig. 5 is the sectional view of the 4th section of the utility model.

Fig. 6 is the sectional view of the 5th section of the utility model.

Specific implementation mode

It please refers to Fig.1, shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, adaptive membrane type shale gas and rock core pressurize sealing sampling Device, be by salvaging mechanism 1, bullet card detent mechanism 2, the mechanism that notifies in place 3, core plugging alarm mechanism 4, single action protection mechanism 5, Regulating mechanism 6, pressurize sealing probe tube 7 and rock core the card sealing mechanism 8 that breaks form, salvaging mechanism 1, bullet card detent mechanism 2, in place The mechanism that notifies 3, core plugging alarm mechanism 4, single action protection mechanism 5, regulating mechanism 6, pressurize sealing probe tube 7 and rock core card are disconnected Sealing mechanism 8 is threaded togather successively；

Salvaging mechanism 1 includes fishing spearhead 11, recycling pipe cap 12, the first elastic cylindrical pin 13, resetting spring 14, fishing lance seat 15 and recovery tube 16, the first elastic cylindrical pin 13 passes through fishing spearhead 11, recycling pipe cap 12 and fishing lance seat 15, and fishing spearhead 11 is cut with scissors It is connected on fishing lance seat 15, recycling 12 lower end of pipe cap is connected with 16 threaded upper ends of recovery tube, and resetting spring 14 is positioned over fishing lance seat 15 On, upper contact recycles 12 lower part of pipe cap, and 12 lower part of recycling pipe cap, resetting spring 14 and fishing lance seat 15 are all located in recovery tube 16 Portion；

Bullet card detent mechanism 2 include recovery tube 16, bullet card rise spring 21, play clamp 22, the second elastic cylindrical pin 23, third bullet Property straight pin 24, play deck 25, the 4th elastic cylindrical pin 26 and play card holder 31, bullet card 21 two stabilizer blades of spring that rise are separately mounted to bullet In the groove of 22 both wings of clamp, clamp 22 will be played and strutted, and played clamp 22, play deck 25 and play the setting of card holder 31 in recovery tube 16 It is interior, and connected successively by the second elastic cylindrical pin 23, play 25 upper end of deck and 16 clearance fit of recovery tube, third Elastic Circular Pin 24 will play clamp 22 and bullet card holder 31 is hinged, plays deck 25 with card holder 31 is played and then passes through the 4th elastic cylindrical pin 26 is hinged；

The mechanism that notifies in place 3 includes playing card holder 31, bonnet 32 of notifying, valve seat 33 of notifying, and spring 34 of notifying is notified outside valve Pipe 35, the first O-ring seal 36, the second O-ring seal 38 notify and ring 37 and notify valve lower contact 39, notify valve outer tube 35 with Top bullet card holder 31 is threadedly coupled, and bonnet 32 of notifying setting is located at valve seat 33 of notifying in 34 upper end of spring of notifying, spring 34 of notifying On, notify and be equipped with step in 35 intermediate channel of valve outer tube, bonnet 32 of notifying, notify spring 34 and notify valve seat 33 from top to bottom according to Secondary to be located on the step for 35 intermediate channel of valve outer tube of notifying, the first O-ring seal 36 and the second O-ring seal 38 are placed in valve of notifying In the groove of 35 lower part of outer tube, ring 37 of notifying is sleeved on the lower part for valve outer tube 35 of notifying, under be informed of a case letter valve lower contact 39, notify under valve Connector 39 is threadedly coupled with valve outer tube 35 of notifying；

Core plugging alarm mechanism 4 includes notify valve lower contact 39, the 5th elastic cylindrical pin 41, single action axis 42, folded spring 43, sliding sleeve 44 and sleeve base 45,42 top transition cooperation of 39 lower part of valve lower contact and single action axis of notifying, and pass through the 5th Elastic Circular Pin 41 is articulated and connected, and 44 top of sliding sleeve and 39 transition of valve lower contact cooperation of notifying, lower part are threadedly coupled with sleeve base 45, fold spring In 43 annular space between sliding sleeve 44 and single action axis 42,42 top of upper contact single action axis, lower contacts sleeve base 45；

Single action protection mechanism 5 includes single action axis 42, the first thrust bearing 51, upper bearing sleeve 52, copper sheathing 53, the second thrust Bearing 54, lower bearing sleeve 55, spring 56, washer 57 and nut 58, copper sheathing 53 loaded on inside upper bearing sleeve 52, match by the two transition It closes, the first thrust bearing 51, upper bearing sleeve 52, the second thrust bearing 54, spring 56, washer 57 and nut 58 are from top to bottom successively It is through on single action axis, nut 58 is connect with 42 tailing screw flight of single action axis, 55 top of lower bearing sleeve and 52 bottom thread of upper bearing sleeve Connection；

Regulating mechanism 6 include adjust top connection 61, locking nut 62 and adjust lower contact 63, adjust 61 top of top connection with 55 lower thread of lower bearing sleeve connects, and lower part with locking nut 62, adjusts lower contact 63 and be threadedly coupled, adjust lower contact 63 successively It is threadedly coupled with 73 top of hemizygous pipe；

It includes clip 71, slips 72, hemizygous pipe 73, fixed switch 74, straight pin 75 and shrapnel that pressurize, which seals probe tube 7, 76,73 top of hemizygous pipe is connect with 63 lower thread of lower contact is adjusted, and lower part is threadedly coupled with clip spring seat 86, is set in hemizygous pipe 73 There are hole slot, straight pin 75 to be located in the hole slot of hemizygous pipe 73, shrapnel 76 is mounted on straight pin 75, and fixed switch 74 is installed on bullet In hole slot right over piece 76；

The disconnected sealing mechanism 8 of rock core card includes the second nut 80, seal cap 81, rubber pad 82, one-way overflow valve 83, diaphragm seal 84, seal nipple 85, clip spring seat 86, rubber seal 87, clamp spring baffle ring 88 and clamp spring 89, the second nut 80 pacify rubber pad 82 Mounted in 81 top of seal cap, it is threadedly coupled with seal cap 81,84 lower part of diaphragm seal is set on seal nipple 85, and top is set in sealing On cap 81, it is located in the accumulator tank 78 of 73 lower part of hemizygous pipe；

81 inside left and right of seal cap is respectively provided with an one-way overflow valve 83, and seal nipple 85 is threadedly connected on clip spring seat 86 On the inside of portion, seal cap 81, diaphragm seal 84 and seal nipple 85 are all located in hemizygous pipe 73, and 86 upper outside screw thread of clip spring seat connects It is connected to hemizygous pipe 73, rubber seal 87, clamp spring baffle ring 88 and clamp spring 89 are sequentially located at from top to bottom in clip spring seat 86.

The operation principle and process of the utility model：

It please refers to Fig.1, shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, is drilled according to target shale distribution of gas reservoir range (well) structure design, and according to hole (well) diameter and construction equipment situation, select the adaptive membrane type shale gas and rock that are suitble to size Heart pressurize sealed sampler and coring mode (wire line coring and carry drill through the heart), the dimensions overall diameter of the sampler is respectively 89mm, 114mm, 131mm and 140mm are carried drilling through the heart and only needing pressurize sealing probe tube 7 and rock core the card sealing mechanism 8 that breaks and be replaced The inner tube and clamp spring of generation conventional single rotary double core barrel；

Pressurize sealed sampler is first assembled hemizygous pipe 73 with slips 72 and clip 71 using preceding, and fixed switch 74 is pulled Under, the outside of shrapnel 76 is blocked, complete sampler is put into drilling rod before creeping into new round trip, slush pump is then opened and applies pump Pressure, for sampler in dropping process, drilling fluid is full of clip spring seat 86, and the uplink under the active force of drilling fluid of seal cap 81 is encountered Stop after shrapnel 76, after maintain relative position motionless under the action of shrapnel 76 again, it is unidirectional to overflow due to the downstream pressure of drilling fluid It flows valve 83 to open, drilling fluid is flowed out by one-way overflow valve 83 by the trepanning on 73 top of hemizygous pipe, is discharged former in sealing mechanism Some gas；

After pressurize sealed sampler reaches bottom hole, ring 37 of notifying is fallen on the bearing ring of outer tube, has blocked mud downlink Channel, 27 drilling liquid pressure of sampler upper end gradually increases in drilling rod, and bonnet 32 of notifying overcomes report under the action of pressure difference Believe 34 resistance downlink of spring, after downlink a distance, drilling fluid can enter valve of notifying by the trepanning 30 for 32 both sides of bonnet of notifying Among seat 33, through valve outer tube 35 of notifying, enter in drilling rod from the trepanning 40 for valve lower contact 39 of notifying, drilling fluid flow channel is beaten It opens so that moment borehole pressure reduces, slush pump registration becomes smaller, to complete work of notifying in place；

In drilling process, single action axis 42, the first thrust bearing 51, upper bearing sleeve 52, copper sheathing 53, the second thrust bearing 54, lower bearing sleeve 55, spring 56, washer 57 and nut 58 constitute single action system, can make the part of 42 or more single action axis with Drilling rod turns round, upper bearing sleeve 52 and then motionless with rock core with lower part, when breaking rock core, compressed spring 56, and inner tube and clip spring seat 86 are displaced downwardly in drill bit on step, and the power to break rock core reaches outer tube by drill bit, and protection inner tube is without damage；

When coring, rock core enters in clip spring seat 86, works as rock core into diaphragm seal 84 across rubber seal 87 After encountering seal cap 81, under the uplink force effect of rock core, seal cap 81 is turned up shrapnel 76 is open-top, and rock core continues to push up later 81 uplink of seal cap, when rock core is full of hemizygous pipe 73, seal cap 81, which is encountered, adjusts top connection 61, and active force is communicated up, pressure Spring 43 is folded in contracting, and 44 uplink of sliding sleeve blocks drilling fluid down going channel 40, and drilling liquid pressure increases in drilling rod, earth's surface slush pump registration It increases, completes core plugging alarm, at this moment above carry drilling tool, clamp spring 89 breaks rock core card, and lower rubber sealing ring 87 will be under rock core Portion seals, and completes bottom hole coring, carries out wire line coring salvage, and sampler is carried to earth's surface, in analysis detection-phase, above pulls Fixed switch 74, liberates shrapnel 76, unloads lower catch hoop 71, slips 72, opens hemizygous pipe 73, you can obtains seal core part.

Claims (1)

1. adaptive membrane type shale gas and rock core pressurize sealed sampler, it is characterised in that：It is locking by salvaging mechanism (1), bullet Position mechanism (2), core plugging alarm mechanism (4), single action protection mechanism (5), regulating mechanism (6), is protected the mechanism that notifies in place (3) Means of press seals probe tube (7) and disconnected sealing mechanism (8) composition of rock core card, salvaging mechanism (1), are notified at bullet card detent mechanism (2) in place Mechanism (3), core plugging alarm mechanism (4), single action protection mechanism (5), regulating mechanism (6), pressurize sealing probe tube (7) and rock The heart card sealing mechanism (8) that breaks is threaded togather successively；

Salvaging mechanism (1) includes fishing spearhead (11), recycling pipe cap (12), the first elastic cylindrical pin (13), resetting spring (14), fishing Lance seat (15) and recovery tube (16), the first elastic cylindrical pin (13) are each passed through fishing spearhead (11), recycling pipe cap (12) and fishing lance Seat (15), and fishing spearhead (11) is hinged on fishing lance seat (15), recycle pipe cap (12) lower end and recovery tube (16) threaded upper ends Connection, resetting spring (14) setting is in fishing lance seat (15) upper end, and upper contact recycles pipe cap (12) lower part, recycles pipe cap (12) it is internal to be all located at recovery tube (16) for lower part, resetting spring (14) and fishing lance seat (15)；

Bullet card detent mechanism (2) include recovery tube (16), bullet card rise spring (21), play clamp (22), the second elastic cylindrical pin (23), Third elastic cylindrical pin (24) plays deck (25), the 4th elastic cylindrical pin (26) and bullet card holder (31), bullet card and rises spring (21) two Stabilizer blade be separately mounted to play clamp (22) both wings groove in, by play clamp (22) strut, play clamp (22), play deck (25) and The setting of card holder (31) top is played in recovery tube (16), and is connected successively by the second elastic cylindrical pin (23), deck is played (25) upper end and recovery tube (16) clearance fit, third elastic cylindrical pin (24) will play clamp (22) and play card holder (31) and be hinged on Together, it plays deck (25) and bullet card holder (31) is hinged by the 4th elastic cylindrical pin (26) respectively；

The mechanism that notifies in place (3) includes playing card holder (31), bonnet of notifying (32), valve seat of notifying (33), spring of notifying (34), notifying Valve outer tube (35), the first O-ring seal (36), the second O-ring seal (38), ring of notifying (37) and valve lower contact (39) of notifying, Valve outer tube (35) of notifying is threadedly coupled with top bullet card holder (31), and bonnet of notifying (32) setting is in spring of notifying (34) upper end, report Letter spring (34), which is located at, notifies on valve seat (33), and step, bonnet of notifying (32), report are equipped in valve outer tube (35) intermediate channel of notifying Letter spring (34) and valve seat of notifying (33) are sequentially located at from top to bottom on the step for valve outer tube (35) intermediate channel of notifying, the first O Type sealing ring (36) and the second O-ring seal (38) are placed in the groove for valve outer tube (35) lower part of notifying, and ring of notifying (37) is sleeved on Notify the lower parts of valve outer tube (35), under be informed of a case letter valve lower contact (39), notify valve lower contact (39) and valve outer tube (35) spiral shell of notifying Line connects；

Core plugging alarm mechanism (4) includes the valve lower contact (39), the 5th elastic cylindrical pin (41), single action axis (42), folded of notifying Spring (43), sliding sleeve (44) and sleeve base (45), notify valve lower contact (39) lower part and single action axis (42) top transition cooperation, and lead to Cross the articulated connection of the 5th elastic cylindrical pin (41), sliding sleeve (44) top and notify valve lower contact (39) transition cooperation, lower part and cunning Block set (45) is threadedly coupled, and folded spring (43) is located in the annular space between sliding sleeve (44) and single action axis (42), upper contact single action axis (42) top, lower contacts sleeve base (45)；

Single action protection mechanism (5) includes single action axis (42), the first thrust bearing (51), upper bearing sleeve (52), copper sheathing (53), second Thrust bearing (54), lower bearing sleeve (55), spring (56), washer (57) and nut (58), copper sheathing (53) are loaded on upper bearing sleeve (52) internal, the two transition cooperation, the first thrust bearing (51), upper bearing sleeve (52), the second thrust bearing (54), spring (56), washer (57) and nut (58) are through on single action axis successively from top to bottom, nut (58) and single action axis (42) tailing screw flight Connection, lower bearing sleeve (55) top is connect with upper bearing sleeve (52) bottom thread；

Regulating mechanism (6) includes adjusting top connection (61), locking nut (62) and adjusting lower contact (63), adjusts top connection (61) Top is connect with lower bearing sleeve (55) lower thread, and lower part with locking nut (62), adjusts lower contact (63) and be threadedly coupled successively, Lower contact (63) is adjusted to be threadedly coupled with hemizygous pipe (73) top；

Pressurize sealing probe tube (7) includes clip (71), slips (72), hemizygous pipe (73), fixed switch (74), straight pin (75) With shrapnel (76), hemizygous pipe (73) top is connect with lower contact (63) lower thread is adjusted, and lower part connects with clip spring seat (86) screw thread It connects, hemizygous pipe (73) is equipped with hole slot (77), and straight pin (75) is located in the hole slot of hemizygous pipe (73), and shrapnel (76) is mounted on circle On pin (75), fixed switch (74) is installed in the hole slot right over shrapnel (76)；

Rock core card break sealing mechanism (8) include the second nut (80), seal cap (81), rubber pad (82), one-way overflow valve (83), Diaphragm seal (84), seal nipple (85), clip spring seat (86), rubber seal (87), clamp spring baffle ring (88) and clamp spring (89), second Rubber pad (82) is mounted at the top of seal cap (81) by nut (80), is threadedly coupled with seal cap (81), diaphragm seal (84) lower part It is set on seal nipple (85), top is set in seal cap (81), is located in the accumulator tank (78) of hemizygous pipe (73) lower part；

The internal both ends of seal cap (81) are respectively equipped with one-way overflow valve (83), and seal nipple (85) is threadedly connected to clip spring seat (86) Upper inner, seal cap (81), diaphragm seal (84) and seal nipple (85) are all located in hemizygous pipe (73), clip spring seat (86) top Outside screw is connected to hemizygous pipe (73), rubber seal (87), clamp spring baffle ring (88) and clamp spring (89) position successively from top to bottom In clip spring seat (86).