CN205713966U - A kind of combined type ocean gas hydrate seismic exploration drilling tool - Google Patents

A kind of combined type ocean gas hydrate seismic exploration drilling tool Download PDF

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Publication number
CN205713966U
CN205713966U CN201620321699.6U CN201620321699U CN205713966U CN 205713966 U CN205713966 U CN 205713966U CN 201620321699 U CN201620321699 U CN 201620321699U CN 205713966 U CN205713966 U CN 205713966U
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China
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drilling tool
drilling
pressurize
gas hydrate
combined type
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CN201620321699.6U
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Inventor
李小洋
王汉宝
尹浩
张永勤
孙建华
刘秀美
梁健
李鑫淼
吴纪修
李宽
王志刚
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Langfang Juli Exploration Technology Co., Ltd
Institute of Exploration Technology Chinese Academy of Geological Sciences
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JULI GEO-ENGINEERING TECHNICAL DEVELOPMENT Co (LANGFANG)
Institute of Exploration Technology Chinese Academy of Geological Sciences
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Abstract

A kind of combined type ocean gas hydrate seismic exploration drilling tool, belongs to geological exploration equipment technical field.Described combined type ocean gas hydrate seismic exploration drilling tool includes the comprehensive drilling tool of measurement while drilling, pressurize core bit and major diameter not pressurize core bit;The comprehensive drilling tool of described measurement while drilling, pressurize core bit and major diameter not pressurize core bit mate the borehole wire-line coring drilling rod of same specification.Use combined type ocean gas hydrate seismic exploration drilling tool described in the utility model, substantially reduce the drilling time of ocean gas hydrate seismic exploration, save operating expenses, there is obvious economic benefit.

Description

A kind of combined type ocean gas hydrate seismic exploration drilling tool
Technical field
This utility model relates to a kind of geological prospecting drilling tool, especially a kind of combined type ocean gas hydrate Seismic exploration drilling tool, belongs to geological exploration equipment technical field.
Background technology
Gas hydrates (Natural Gas Hydrate is called for short NGH), are distributed in subsea strata mostly In, not only rich reserves, and its energy density is big, and (hydrate of 1 volume at most can produce 164 volumes Natural gas), the advantages such as the dusty gas that produces after gas hydrates also have burning simultaneously is few, therefore It it is a kind of preferably clean energy resource.
Since finding to store a large amount of gas hydrates in seabed, how to carry out efficient and economical Exploration and development becomes a problem demanding prompt solution.The method carrying out ocean hydrate exploration at present mainly has BSR (Bottom Simulating Reflector simulated sea bottom reflecting layer) technology, drill sampling technology and survey Well technology, and carrying out sea bottom hydrate sampling by geological drilling is a kind of most straightforward approach.To this end, state The sampling technique of hydrate is studied by inside and outside a lot of experts and scholars, have developed numerous heat-insulation pressure keepings Drilling tool.But, the drilling process of current above-mentioned heat-insulation pressure keeping Sampling driller coupling is first to choose position, hole to creep into, Then carry out complete opening coring with pressurize drilling tool or carry and drill through core, due to this method coring often, creeping into Speed is slow, causes drilling cost to improve the most therewith.
Utility model content
This utility model provides a kind of combined type ocean gas hydrate seismic exploration drilling tool, and it can be according to not Same stratum characteristic, it is achieved quick-replaceable difference drilling tool in cord drill-rod, reaches to improve rate of penetration, reduction The purpose of drilling cost.
This utility model above-mentioned purpose is achieved through the following technical solutions:
A kind of combined type ocean gas hydrate seismic exploration drilling tool, including the comprehensive drilling tool of measurement while drilling, guarantor Pressure core bit and major diameter not pressurize core bit;The comprehensive drilling tool of described measurement while drilling, pressurize core bit With the borehole wire-line coring drilling rod that major diameter not pressurize core bit mates same specification.
Above-mentioned combined type ocean gas hydrate seismic exploration drilling tool, the comprehensive drilling tool of described measurement while drilling includes The first salvaging mechanism of setting gradually from top to bottom, the first bullet card detent mechanism, the first hitch, first Single action mechanism and torque transmission mechanism;The lower end of described torque transmission mechanism arranges sensor measurement pipe nipple, described sensor Measure in pipe nipple and be provided with resistivity sensor, temperature sensor and pressure transducer;Described first single action mechanism Lower end connect battery short section, signal storage and send pipe nipple, described signal storage and send pipe nipple pass through mud The signal that sensor measurement pipe nipple is gathered by slurry pulse sends the data reception module to drilling ship.
Above-mentioned combined type ocean gas hydrate seismic exploration drilling tool, described pressurize core bit includes from upper The second salvaging mechanism of setting gradually under to, the second bullet card detent mechanism, the second hitch, corer, First advanced coring bit and coring block spring;Described second bullet card detent mechanism is double elastic-clip structure;Described take Core pipe is equipped with range controlling mechanism and ball valve sealing mechanism, and described ball valve sealing mechanism is for realizing the close of core Close pressurize, suppression gas hydrates sample twice decomposition during salvaging.
Above-mentioned combined type ocean gas hydrate seismic exploration drilling tool, described major diameter not pressurize core bit For firm hard formation structure, for obtaining length and the big core sample of diameter dimension, it is provided with the 3rd salvaging Mechanism, the 3rd bullet card detent mechanism, the 3rd hitch, the second single action mechanism, coring jump ring and the second surpass Front coring bit, described 3rd salvaging mechanism, the 3rd bullet card detent mechanism, the 3rd hitch, the second list The advanced coring bit of motivation structure, coring jump ring and second is sequentially connected in series from top to bottom.
This utility model is mainly used in identification and the sampling on ocean gas hydrate stratum, and its measurement while drilling is complete Face drilling tool, pressurize core bit and major diameter not pressurize core bit mate the borehole wire-line coring drilling rod of same specification, Purpose can be crept into according to different, realize freely changing in cord drill-rod by rope salvaging technique.Creep into During, first in cord drill-rod under enter the comprehensive drilling tool of measurement while drilling, carry out the total cost management holed, with Improve drilling efficiency, owing to the front end of the comprehensive drilling tool of measurement while drilling is mounted with sensor measurement pipe nipple, can will adopt The change information of formation temperature, pressure and the resistivity of collection, is stored by signal and sends pipe nipple and transmit in time On drilling ship, the staff on drilling ship, according to the subsea strata measurement data obtained, judges stratum In whether contain gas hydrates;After the data of stratum measurement show abnormality, rope salvaging can be passed through Comprehensive for measurement while drilling drilling tool is salvaged out by instrument in time, changes pressurize core bit or the non-pressurize of major diameter Core bit is sampled operation.As can be seen here, combined type ocean natural gas described in the utility model is used Hydrate formation exploration drilling tool, substantially reduces drilling time, saves operating expenses, have obvious warp Ji benefit.
Accompanying drawing explanation
Fig. 1 is measurement while drilling comprehensive drilling tool structure schematic diagram;
Fig. 2 is part A (top half) the structure enlarged diagram in Fig. 1;
Fig. 3 is part B (the latter half) the structure enlarged diagram in Fig. 1;
Fig. 4 is pressurize core bit structural representation;
Fig. 5 is C portion (top half) the structure enlarged diagram in Fig. 4;
Fig. 6 is D part (the latter half) the structure enlarged diagram in Fig. 4;
Fig. 7 is major diameter not pressurize core bit structural representation;
Fig. 8 is E part (top half) the structure enlarged diagram in Fig. 7;
Fig. 9 is F part (the latter half) the structure enlarged diagram in Fig. 7.
In figure, each list of reference numerals is: 1, the comprehensive drilling tool of measurement while drilling, 1-1, the first salvaging mechanism, 1-2, One bullet card detent mechanism, 1-3, the first hitch, 1-4, the first single action mechanism, 1-5, signal storage and Send pipe nipple, 1-6, battery short section, 1-7, torque transmission mechanism, 1-8, sensor and measurement pipe nipple, 2, pressurize Core bit, 2-1, the second salvaging mechanism, 2-2, the second bullet card detent mechanism, 2-3, the second hitch, 2-4, corer, 2-5, range controlling mechanism, 2-6, ball valve sealing mechanism, 2-7, the first advanced core drill Head, 2-8, coring block spring, and 3, major diameter not pressurize core bit, 3-1, the 3rd salvaging mechanism, 3-2, Three bullet card detent mechanisms, 3-3, the 3rd hitch, 3-4, the second single action mechanism, 3-5, coring jump ring, 3-6, the second advanced coring bit.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
Referring to Fig. 1, Fig. 4, Fig. 7, this utility model is surveyed for a kind of combined type ocean gas hydrate stratum Prospecting bit has, including the comprehensive drilling tool of measurement while drilling 1, pressurize core bit 2 and major diameter not pressurize core bit 3 Three parts, the comprehensive drilling tool of described measurement while drilling 1, pressurize core bit 2 and major diameter not pressurize core bit 3 Mate the borehole wire-line coring drilling rod of same specification, purpose can be crept into according to different, real by rope salvaging technique Freely change in cord drill-rod now.Combined type ocean gas hydrate seismic exploration described in the utility model Drilling tool disclosure satisfy that the needs of deep seafloor natural gas hydrate stratum exploration sampling, and it both can be in the depth of water Exploratory hole within 1500m, seabed drilling depth 500m uses, it is also possible to other mineral resources for seabed Exploration.
Referring to Fig. 1 to Fig. 3, in combined type ocean gas hydrate seismic exploration described in the utility model In drilling tool, the first salvaging mechanism 1-1 that the comprehensive drilling tool of described measurement while drilling 1 includes setting gradually from top to bottom, First bullet card detent mechanism 1-2, the first hitch 1-3, the first single action mechanism 1-4 and torque transmission mechanism 1-7; The lower end of described torque transmission mechanism 1-7 arranges sensor measurement pipe nipple 1-8, described sensor measurement pipe nipple 1-8 In be provided with resistivity sensor, temperature sensor and pressure transducer;Under described first single action mechanism 1-4 End connects battery short section 1-6, signal storage and sends pipe nipple 1-5, and described signal stores and sends pipe nipple 1-5 The signal gathered by sensor measurement pipe nipple by mud-pulse sends the data reception module to drilling ship. Described first salvaging mechanism 1-1 is used for ensureing that the comprehensive drilling tool of measurement while drilling is not in the case of carrying brill, it is achieved fast Speed rope salvaging.Described first bullet card detent mechanism 1-2, the first hitch 1-3 are used for ensureing whole drilling tool Location, prevent the upper and lower play of drilling tool.It is the most two-part that described first single action mechanism 1-4 achieves drilling tool Motion separates, and decreases the abrasion of drilling tool.Described torque transmission mechanism 1-7 is by guaranteeing with outer drill bit spline fitted The rotary drilling together with outer tube of measurement while drilling drilling tool, improves rate of penetration.On ocean gas hydrate stratum During exploration is crept into, first in cord drill-rod under enter the comprehensive drilling tool of measurement while drilling 1, carry out holing is complete Face is crept into, and to improve drilling efficiency, and can be surveyed by the sensor that measurement while drilling comprehensive drilling tool 1 front end is installed Amount pipe nipple 1-8 gathers formation temperature, pressure and the change information of resistivity, then is stored by signal and send Pipe nipple 1-5 is delivered on drilling ship in time, and the staff on drilling ship measures according to the subsea strata obtained Data, are judged whether contain gas hydrates in stratum, then determine whether to be come more by rope salvaging Change core drilling tool;After the data of stratum measurement show abnormality, can pass through rope salvaging instrument in time will be with brill Measure comprehensive drilling tool 1 to salvage out, change pressurize core bit 2 or major diameter non-pressurize core bit 3 It is sampled operation.
Referring to Fig. 4 to Fig. 6, in combined type ocean gas hydrate seismic exploration described in the utility model In drilling tool, described pressurize core bit 2 is applicable to creeping into of the suspicious stratum of gas hydrates, and it can be protected Hold the original position pressure of gas hydrates core, the decomposition of suppression gas hydrates.Described pressurize core drill The second salvaging mechanism 2-1 that tool 2 includes setting gradually from top to bottom, the second bullet card detent mechanism 2-2, second Hitch 2-3, corer 2-4, the first advanced coring bit 2-7 and coring block spring 2-8;Described second Bullet card detent mechanism 2-2 is double elastic-clip structure;Described corer 2-4 is equipped with range controlling mechanism 2-5 and ball Valve seal mechanism 2-6.During drilling tool is transferred, ensure that drilling tool axial location arrives by hitch 2-3 Position;During creeping into, ensure not occur between drilling tool inner and outer pipes by the second bullet card detent mechanism 2-2 The changing of the relative positions, it is achieved axial location is fixed;When creeping into coring, owing to shallow-layer coring is the deposition for non-diagenesis Stratum, uses the first advanced coring bit 2-7, and the mud that can prevent bit port from spraying destroys core sample, And can by coring block spring 2-8 replace common jump ring prevent enter corer 2-4 core drop.Pressurize takes The specific works step of core drilling tool 2 is: after finding the suspicious stratum of hydrate, transfer pressurize core bit 2, Carrying out the rope salvaging of pressurize core bit, can pull up the second salvaging mechanism 2-1 by fisher, drive takes Core pipe 2-4 moves axially upward, drives ball valve close by range controlling mechanism 2-7 after arriving certain position Sealing mechanism 2-6 closes, it is achieved the airtight pressurize of core, and suppression gas hydrates sample is during salvaging Twice decomposition.
Referring to Fig. 7 to Fig. 9, in combined type ocean gas hydrate seismic exploration described in the utility model In drilling tool, described major diameter not pressurize core bit 3 is suitable to firm hard formation structure, is used for obtaining length and straight The core sample that footpath size is big, it be provided with the 3rd salvaging mechanism 3-1, the 3rd bullet card detent mechanism 3-2, the 3rd Hitch 3-3, the advanced coring bit 3-6 of the second single action mechanism 3-4, coring jump ring 3-5 and second, described 3rd salvaging mechanism 3-1, the 3rd bullet card detent mechanism 3-2, the 3rd hitch 3-3, the second single action mechanism The advanced coring bit 3-6 of 3-4, coring jump ring 3-5 and second is sequentially connected in series from top to bottom.When needs are big When amount core carries out geological analysis, can be by the bottom of this major diameter not pressurize core bit 3 lower going-into-well, it is the 3rd years old Hitch 3-3 and the 3rd bullet card detent mechanism 3-2, for realizing the location of drilling tool, prevents at drilling process The upper and lower play of middle drilling tool, the second advanced coring bit 3-6 can reduce the drilling fluid erosion to rock ore deposit core, when When drilling depth reaches the length limit of core barrel, drilling tool can be realized not by the 3rd salvaging mechanism 3-1 Carry brill to salvage, convenient and swift.

Claims (4)

1. a combined type ocean gas hydrate seismic exploration drilling tool, is characterized in that, described combined type Ocean gas hydrate seismic exploration drilling tool includes the comprehensive drilling tool of measurement while drilling (1), pressurize core bit (2) With major diameter not pressurize core bit (3);The comprehensive drilling tool of described measurement while drilling (1), pressurize core bit And major diameter not pressurize core bit (3) mates the borehole wire-line coring drilling rod of same specification (2).
Combined type ocean gas hydrate seismic exploration drilling tool the most according to claim 1, it is special Levy and be, the first salvaging mechanism (1-1) that the comprehensive drilling tool of described measurement while drilling (1) includes setting gradually from top to bottom, First bullet card detent mechanism (1-2), the first hitch (1-3), the first single action mechanism (1-4) and biography Turn round mechanism (1-7);The lower end of described torque transmission mechanism (1-7) arranges sensor measurement pipe nipple (1-8), institute State in sensor measurement pipe nipple (1-8) and be provided with resistivity sensor, temperature sensor and pressure transducer;Institute The lower end stating the first single action mechanism (1-4) connects battery short section (1-6), signal storage and sends pipe nipple (1-5), The signal of sensor measurement pipe nipple collection is sent out by the storage of described signal and transmission pipe nipple (1-5) by mud-pulse Deliver to the data reception module on drilling ship.
Combined type ocean gas hydrate seismic exploration drilling tool the most according to claim 2, its feature It is, the second salvaging mechanism (2-1) that described pressurize core bit (2) includes setting gradually from top to bottom, Second bullet card detent mechanism (2-2), the second hitch (2-3), corer (2-4), first advanced Coring bit (2-7) and coring block spring (2-8);Described second bullet card detent mechanism (2-2) is double elastic-clip Structure;The equipped range controlling mechanism (2-5) of described corer (2-4) and ball valve sealing mechanism (2-6), Described ball valve sealing mechanism (2-6) is for realizing the airtight pressurize of core, and suppression gas hydrates sample exists Twice decomposition during salvaging.
Combined type ocean gas hydrate seismic exploration drilling tool the most according to claim 3, it is special Levying and be, described major diameter not pressurize core bit (3) is suitable to firm hard formation structure, is used for obtaining length and straight The core sample that footpath size is big, it be provided with the 3rd salvaging mechanism (3-1), the 3rd bullet card detent mechanism (3-2), 3rd hitch (3-3), the second single action mechanism (3-4), coring jump ring (3-5) and second take in advance Core drill bit (3-6), described 3rd salvaging mechanism (3-1), the 3rd bullet card detent mechanism (3-2), the 3rd Hitch (3-3), the second single action mechanism (3-4), coring jump ring (3-5) and the second advanced core drill Head (3-6) is sequentially connected in series from top to bottom.
CN201620321699.6U 2016-04-15 2016-04-15 A kind of combined type ocean gas hydrate seismic exploration drilling tool Active CN205713966U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106677701A (en) * 2017-01-23 2017-05-17 珠海市英格尔特种钻探设备有限公司 Engineering geological drilling construction method based on thin-walled drilling tool
CN106761513A (en) * 2016-12-15 2017-05-31 中国地质科学院勘探技术研究所 A kind of rope salvaging type coring drilling with keep up pressure drilling tool
CN110552643A (en) * 2019-10-10 2019-12-10 中国地质科学院勘探技术研究所 Fidelity sampling device applied to shale gas and method for thermally analyzing shale gas

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106761513A (en) * 2016-12-15 2017-05-31 中国地质科学院勘探技术研究所 A kind of rope salvaging type coring drilling with keep up pressure drilling tool
CN106761513B (en) * 2016-12-15 2019-04-12 中国地质科学院勘探技术研究所 A kind of rope salvaging type coring drilling with keep up pressure drilling tool
CN106677701A (en) * 2017-01-23 2017-05-17 珠海市英格尔特种钻探设备有限公司 Engineering geological drilling construction method based on thin-walled drilling tool
CN106677701B (en) * 2017-01-23 2018-08-17 珠海市英格尔特种钻探设备有限公司 A kind of Engineering Geologic Drilling Practice method based on cord coring drill
CN110552643A (en) * 2019-10-10 2019-12-10 中国地质科学院勘探技术研究所 Fidelity sampling device applied to shale gas and method for thermally analyzing shale gas

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CP01 Change in the name or title of a patent holder

Address after: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77

Co-patentee after: Langfang Juli Exploration Technology Co., Ltd

Patentee after: INSTITUTE OF EXPLORATION TECHNIQUE, CHINESE ACADEMY OF GEOLOGICAL SCIENCES

Address before: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77

Co-patentee before: JULI GEO-ENGINEERING TECHNICAL DEVELOPMENT COMPANY (LANGFANG)

Patentee before: INSTITUTE OF EXPLORATION TECHNIQUE, CHINESE ACADEMY OF GEOLOGICAL SCIENCES

CP01 Change in the name or title of a patent holder