CN2903961Y - Coal field drilling gas fidelity sampler - Google Patents
Coal field drilling gas fidelity sampler Download PDFInfo
- Publication number
- CN2903961Y CN2903961Y CN 200620023960 CN200620023960U CN2903961Y CN 2903961 Y CN2903961 Y CN 2903961Y CN 200620023960 CN200620023960 CN 200620023960 CN 200620023960 U CN200620023960 U CN 200620023960U CN 2903961 Y CN2903961 Y CN 2903961Y
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- seal sleeve
- screw thread
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Abstract
The utility model relates to a gas fidelity sampler for the coalfield drilling, which belongs to the geological drilling and mining art field and is used to solve the reality problems of the sampling test, which comprises an elastic clip connector, an external elastic clip chamber, a salvage setup, an elastic pin, an external reclaim pipe, an external elastic clip positioning setup, an external elastic clip bracket, a middle connecting pipe, an internal elastic bracket, an internal reclaim pipe, a internal elastic clip positioning setup and an internal connecting shaft; the improvement is the internal connecting shaft is linked with the sample container chamber by the pin shaft, the bottom of the sample container is communicated with the ball valve which is communicated with the inlet 27 and the internal channel seal packet, the middle connecting pipe is communicated with the internal elastic clip chamber which is communicated with the middle pressure measuring sampling connector through the seat ring and hanged above the seat ring, the middle pressure measuring sampling connector with side opening and groove is communicated with the external seal sheath which is connected with the guide connector which has a external inlet on the lower part. The utility model can be widely used in gas, liquid mineral exploration work.
Description
Technical field
The utility model relates to a kind of coal drilling gas fidelity sampling device, and particularly a kind of coalfield sample boring, oil-gas drilling, underground water or geothermal source of being used for drilled the coal drilling gas fidelity sampling device that need obtain gas, petroleum and natural gas and phreatic time of day.
Background technology
Along with the continuous increase of the mankind to underground coal, petroleum and natural gas, groundwater resource requirement, the exploration of these subterranean resource, exploitation dynamics are also constantly being strengthened, providing more useful reference for the real virgin state of grasping above-mentioned subterranean resource more accurately, for exploratory development and safe utilization.At present in the recovery process of coal, because to gas and clear inadequately to the time of day of gas bearing capacity, the preliminary work that often causes follow-up exploitation construction is inconsiderate and cause some accidents that should not take place or a large amount of personnel casualty accidentses.For the exploration of petroleum gas,, follow-up development and use also there is the directive significance of reality if can obtain the oil gas real content of original layers position.For phreatic exploitation utilization, if exploration process can be to the water quality of each position, water-bearing zone, become grade and understand exactly, the exploitation construction in future and utilization, human beings'health are all played good help.
A kind of " fidelity sampling drilling tool " disclosed in CN03245568.2, its formation is that inner tube assembly is by playing mechanism for card, hitch is connected with outer tube with centering ring and locatees, the overshot of band recovery hook is housed on spearhead top, the notes that have the band retaining valve on the inner elastic cartridge frame in inner tube assembly are pressed hole and band pressure compensation holes, the couple axle of piston and release through hole, with have high pressure chest on the cylinder sleeve of its opposite position, safety valve and release through hole are equipped with the electronic refrigeration plant of being made up of heat-insulation layer and power supply refrigerator in heat dissipating layer and liner between inner elastic cartridge frame and the core containing pipe.Its weak point is mechanism's complexity not only, and the sample accommodating chamber does not have sealing mechanism, the sample container cavity is opened when the face of land, the sample that takes out mixes mutually with the sample of other layers position, when certain degree of depth is got gas or liquid original position sample under arrival point like this, unwanted gas in the face of land or top or liquid have been arranged in the sampler barrel, and this just and the actual needs gas or the fluid sample mixing of getting just can not obtain wanting the true composition of the sample of the depth location got.The virtual condition that can not reflect needed sample truly.
Summary of the invention
The utility model overcomes deficiency of the prior art, and a kind of coal drilling gas fidelity sampling device with sealing mechanism sample accommodating chamber is provided.
In order to solve the problem of above-mentioned technology, the utility model is achieved through the following technical solutions: coal drilling gas fidelity sampling device is to be connected with external elastic cartridge chamber by screw thread by playing the clamping head, salvaging mechanism is connected with outer recovery tube by resilient key, outer recovery tube is connected with the outer fastening position mechanism that plays with external elastic cartridge chamber by resilient key, the outer fastening position mechanism that plays is connected with middle connecting leg by external elastic cartridge frame, middle connecting leg is connected with inner elastic cartridge frame by resilient key, inner elastic cartridge frame is connected with interior bullet fastening position mechanism with resilient key by interior recovery tube, the interior fastening position mechanism that plays is connected with interior connecting shaft by screw thread, the sample accommodating chamber that interior connecting shaft is surveyed steam valve by bearing pin and band is connected, sample accommodating chamber lower end is connected by the ball valve of screw thread with the dribbling valve passage, ball valve is connected by the inner seal sleeve of interior inlet port of screw thread and band and inner seal sleeve passage, middle connecting leg is connected with inner elastic cartridge chamber by screw thread, inner elastic cartridge chamber is connected with middle pressure measurement sampling joint with screw thread by seat ring, hanging ring is sitting in the seat ring upper end, the middle pressure measurement sampling joint that band is surveyed mouth and notch is connected with outer seal sleeve by screw thread, outer seal sleeve is connected with the guiding joint by screw thread, and guiding joint lower end has outer inlet port and forms.
The utility model can also be achieved through the following technical solutions: on the basis of above scheme, to between outer seal sleeve and the ball valve top sealing surface be housed, middle sealing surface is housed between inner seal sleeve and the outer seal sleeve, and inner seal sleeve is equipped with lower sealing surface with the interior inlet port and the outer inlet port lower end of guiding joint.
Compared with prior art, the beneficial effects of the utility model are: solved the technical barrier that existing core drilling system can't obtain original gas or fluid sample.Provide that a kind of structure is very simple, sampling is true and reliable, use the instrument of samplings such as supporting simple, easy to utilize and supporting, coal-seam gas that cost is low or underground water.
Description of drawings
Fig. 1 is a structural scheme of mechanism of the present utility model;
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail: coal drilling gas fidelity sampling device is to be connected with external elastic cartridge chamber 5 by screw thread by playing clamping 1, salvaging mechanism 2 is connected with outer recovery tube 3 by resilient key 36, outer recovery tube 3 is connected with the outer fastening position mechanism 4 that plays with external elastic cartridge chamber 5 by resilient key 35, the outer fastening position mechanism 4 that plays is connected with middle connecting leg 6 by external elastic cartridge frame 34, middle connecting leg 6 is connected with inner elastic cartridge frame 7 by resilient key 33, inner elastic cartridge frame 7 is connected with interior bullet fastening position mechanism 10 by interior recovery tube 8 usefulness resilient keys 32, the interior fastening position mechanism 10 that plays is connected with interior connecting shaft 11 by screw thread, the sample accommodating chamber 18 that interior connecting shaft 11 is surveyed steam valve 17 by bearing pin 15 and band is connected, sample accommodating chamber 18 lower ends are connected by the ball valve 21 of screw thread with dribbling valve passage 31, ball valve 21 is connected by the inner seal sleeve 23 of screw thread with band inner seal sleeve passage 30 and lower surface 29, middle connecting leg 6 is connected with inner elastic cartridge chamber 9 by screw thread, inner elastic cartridge chamber 9 is connected with middle pressure measurement sampling joint 14 by seat ring 13 usefulness screw threads, hanging ring 12 is sitting in seat ring 13 upper ends, the middle pressure measurement sampling joint 14 that band is surveyed mouth 16 and notch 19 is connected with outer seal sleeve 22 by screw thread, outer seal sleeve 22 is connected with guiding joint 25 by screw thread, guiding joint 25 lower ends have outer inlet port 26, between outer seal sleeve 22 and ball valve 21 tops sealing surface 20 is housed, sealing surface 24 in being equipped with between inner seal sleeve 23 and the outer seal sleeve 22, inner seal sleeve 23 is equipped with lower sealing surface 28 with the interior inlet port 26 and outer inlet port 27 lower ends of guiding joint 25.
When this utility model during on the face of land, salvaging mechanism 2 by the pulling upper end moves to axial inner seal sleeve 23 and outer seal sleeve 22 generations, and make and move to the position of lower sealing surface 24 on the air intake opening 27 above the inner seal sleeve 23 and be closed, thereby the sample accommodating chamber just is isolated from the outside when reaching at the bottom of the utility model does not descend hand-hole predetermined depth.At the bottom of the utility model is lowered the hole during predetermined depth, weight by self moves down sample accommodating chamber 18, ball valve 21, inner seal sleeve 23, the outer inlet port 26 that interior inlet port 27 and guiding have on the joint 25 aligns at the bottom of arriving the hole time and communicates, make air intake opening 27 on the inner seal sleeve 23 open and communicate, so that make underground gas or fluid sample enter sample accommodating chamber 18 by outer inlet port 26 and air intake opening 27 with outer inlet port 26.Make the interior fastening position mechanism 10 that plays reach outer fastening position mechanism for card 4, interior connecting shaft 11, survey air valve 17, ball valve 21 and the inner seal sleeve 23 of playing by lifting salvaging mechanism 2 along moving certain distance on the axis, make inner seal sleeve 23 lower end inlet ports 27 by inner sealing surface 24 sealings of outer seal sleeve 22, thereby make sample accommodating chamber 18 and isolate on every side and seal.
When creeping into coal seam or other non-solid ore beds, the inner tube assembly of conventional cord coring drill is proposed outside the hole, utilize existing cord coring drill overshot that sampler is rendered to the hole along the drilling rod internal channel then at the bottom of.The utility model its sample accommodating chamber 18 when the face of land is isolated from the outside, and promptly interior inlet port 27 is in the last sealing surface 20 of outer seal sleeve 22 and the position between the middle sealing surface 24.During the depth location that at the bottom of sampler arrives the hole, need take a sample, hanging ring 12 is sitting on the support ring 13, by the impulsive force transferred and the weight of sampler, make outer inlet port 26 and interior inlet port 27 be in the position that communicates, hole spirit body or fluid sample will enter sample accommodating chamber 18 through outer inlet port 26, interior inlet port 27, inner seal sleeve passage 30, ball valve passage 31 this moment.After sample entered accommodating chamber, the winch by the face of land lifted salvaging mechanism 2, make sampler bearing pin 15, pressure measurement gas production valve 17, sample accommodating chamber 18, close on ball valve 21, the inner seal sleeve 23 and move on to preposition.Inner seal sleeve lower sealing surface 28 is in the position of outer seal sleeve lower sealing surface 24 at this moment, and interior inlet 27 is in the position between 20 and 24, and this moment, sample accommodating chamber 18 was by complete closed.Along with face of land winch continue to rise to the face of land, bearing pin 15 and sampling are surveyed air valve 17 and are communicated with surveying mouth 16, close ball valve 21 and communicate with notch 19.Surveying mouthfuls 16 is to be used for dismantling bearing pin 15 and to be convenient to pressure tester being connected with survey air valve 17.Can measure or collected specimens accommodating chamber 18 pressure inside and sample by surveying mouth 16, ball valve 21 can be closed by notch 19, can also bearing pin 15 be extracted out, take out sample accommodating chamber 18 and end portion thereof by surveying mouth 16, and with the sample long preservation, thereby finish whole sampling process.
Claims (2)
1, a kind of coal drilling gas fidelity sampling device, be connected with external elastic cartridge chamber (5) by screw thread by playing clamping head (1), salvaging mechanism (2) is connected with outer recovery tube (3) by resilient key (36), outer recovery tube (3) is connected with the outer fastening position mechanism (4) that plays with external elastic cartridge chamber (5) by resilient key (35), the outer fastening position mechanism (4) that plays is connected with middle connecting leg (6) by external elastic cartridge frame (34), middle connecting leg (6) is connected with inner elastic cartridge frame (7) by resilient key (33), inner elastic cartridge frame (7) is connected with interior bullet fastening position mechanism (10) with resilient key (32) by interior recovery tube (8), the interior fastening position mechanism (10) that plays is connected with interior connecting shaft (11) by screw thread, it is characterized in that the sample accommodating chamber (18) that interior connecting shaft (11) is surveyed steam valve (17) by bearing pin (15) and band is connected, sample accommodating chamber (18) lower end is connected by the ball valve (21) of screw thread with dribbling valve passage (31), ball valve (21) is connected by the inner seal sleeve (23) of interior inlet port (27) of screw thread and band and inner seal sleeve passage (30), middle connecting leg (6) is connected with inner elastic cartridge chamber (9) by screw thread, inner elastic cartridge chamber (9) is connected with middle pressure measurement sampling joint (14) with screw thread by seat ring (13), hanging ring (12) is sitting in seat ring (13) upper end, the middle pressure measurement sampling joint (14) that band is surveyed mouthful (16) and notch (19) is connected with outer seal sleeve (22) by screw thread, outer seal sleeve (22) is connected with guiding joint (25) by screw thread, and guiding joint (25) lower end has outer inlet port (26) and forms.
2, coal drilling gas fidelity sampling device as claimed in claim 1, it is characterized in that between outer seal sleeve (22) and ball valve (21) top sealing surface (20) being housed, between inner seal sleeve (23) and the outer seal sleeve (22) middle sealing surface (24) is housed, inner seal sleeve (23) is equipped with lower sealing surface (28) with the outer inlet port (26) and interior inlet port (27) lower end of guiding joint (25).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620023960 CN2903961Y (en) | 2006-04-03 | 2006-04-03 | Coal field drilling gas fidelity sampler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620023960 CN2903961Y (en) | 2006-04-03 | 2006-04-03 | Coal field drilling gas fidelity sampler |
Publications (1)
Publication Number | Publication Date |
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CN2903961Y true CN2903961Y (en) | 2007-05-23 |
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Family Applications (1)
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CN 200620023960 Expired - Fee Related CN2903961Y (en) | 2006-04-03 | 2006-04-03 | Coal field drilling gas fidelity sampler |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101308062B (en) * | 2008-02-19 | 2011-08-17 | 华北科技学院 | Self sealed self decompressed coal seam sampling method and apparatus |
CN102706690A (en) * | 2012-05-25 | 2012-10-03 | 中平能化集团机械制造有限公司 | Novel coal sample collecting device |
CN106066261A (en) * | 2016-07-13 | 2016-11-02 | 煤科集团沈阳研究院有限公司 | The sampler of Accurate Determining coal seam gas-bearing capacity and sampling method |
-
2006
- 2006-04-03 CN CN 200620023960 patent/CN2903961Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101308062B (en) * | 2008-02-19 | 2011-08-17 | 华北科技学院 | Self sealed self decompressed coal seam sampling method and apparatus |
CN102706690A (en) * | 2012-05-25 | 2012-10-03 | 中平能化集团机械制造有限公司 | Novel coal sample collecting device |
CN102706690B (en) * | 2012-05-25 | 2014-04-30 | 中平能化集团机械制造有限公司 | Novel coal sample collecting device |
CN106066261A (en) * | 2016-07-13 | 2016-11-02 | 煤科集团沈阳研究院有限公司 | The sampler of Accurate Determining coal seam gas-bearing capacity and sampling method |
CN106066261B (en) * | 2016-07-13 | 2020-08-11 | 煤科集团沈阳研究院有限公司 | Sampling device and sampling method for accurately determining coal seam gas content |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |