CN104343441A - Bottom drilling parameter transmission system for ultra-deep well - Google Patents
Bottom drilling parameter transmission system for ultra-deep well Download PDFInfo
- Publication number
- CN104343441A CN104343441A CN201410514295.4A CN201410514295A CN104343441A CN 104343441 A CN104343441 A CN 104343441A CN 201410514295 A CN201410514295 A CN 201410514295A CN 104343441 A CN104343441 A CN 104343441A
- Authority
- CN
- China
- Prior art keywords
- pipe
- outer tube
- receiver
- micro
- drilling parameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 81
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 210000002445 nipple Anatomy 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 12
- 230000001351 cycling effect Effects 0.000 claims description 6
- 102000010637 Aquaporins Human genes 0.000 claims description 3
- 108010063290 Aquaporins Proteins 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 15
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a bottom drilling parameter transmission system for an ultra-deep well. The bottom drilling parameter transmission system at least comprises a drilling rig station and a drill tower which are arranged on the ground as well as a drill column and a drill bit which are located in a drill hole, wherein an outer pipe is arranged between the drill column and the drill bit, and a data acquisition unit, an upper compression ring and a lower compression ring are arranged in the outer pipe; the data acquisition unit at least comprises an inner pipe, an upper water passing joint and a lower water passing joint which are connected with the inner pipe through screw threads to form closed space; and a battery pack, wireless signal transmitters and a gauging nipple are arranged in the closed space, the wireless signal transmitters are used for wirelessly transmitting signals acquired by the gauging nipple after the signals are coded, and the battery pack is used for supplying power to the wireless signal transmitters and the gauging nipple. The bottom drilling parameter transmission system overcomes defects in the prior art, is not limited by a signal transmission distance and can acquire bottom drilling parameters timely, and the accuracy of the acquired parameters is high.
Description
Technical field
The present invention relates to a kind of drilling system, particularly relate to a kind of shaft bottom drilling parameter transmission system for ultradeep well, be mainly used in the fields such as science mohole, oil drilling, belong to drilling field.
Background technology
In ultradeep well drilling process, shaft bottom drilling parameter is grasped in monitoring in time, especially well track state parameter is most important.At present, the monitoring of shaft bottom drilling parameter and transmission method mainly contain following several: (1) memory-type shaft bottom drilling parameter transmission system.Shaft bottom drilling parameter, by being first stored in underground survey pipe nipple after sensor measurement, dismantles measurement pipe nipple after trip-out, after taking out memory, be connected with computer, reads shaft bottom drilling parameter by computer.(2) mud-pulse formula measurement-while-drilling system.The method realizes the two-way communication of ground and down-hole by drilling liquid pressure pulse or continuous pressure ripple, and weak point has strict demand to the gassiness of drilling fluid and sand content.(3) electromagnetic measurement while drilling system.The shaft bottom drilling parameter of measurement is transferred to earth's surface with wireless electromagnetic waveshape by stratum by the method after transmitter codes, by showing with forms such as charts on computers after the process such as amplification, filtering, denoising and preserving after ground receiving system receives signal.Be characterized in that data transmission bauds is fast, data volume large, but the quality of electromagnetic wave signal transmission is by drilling equipment electromagnetic interference, signal strength signal intensity can progressively decay in the transmitting procedure of stratum, and the factors such as the speed of the rate of decay and formation resistivity are closely related.
Due to ultradeep well, to carry the brill time longer, and hole subdrilling can not be entered parameter transmission to earth's surface by memory-type shaft bottom drilling parameter transmission system in time, could obtain downhole parameters after need carrying brill.Obviously, drilling parameter transmission system in memory-type shaft bottom can not meet ultradeep well and creeps into requirement.
Mud-pulse formula measurement-while-drilling system and electromagnetic measurement while drilling system use more at present in oil creeps into, but because these two kinds of method signals are all subject to interference and the impact of some factors in transmitting procedure, constrain the distance of Signal transmissions, also the i.e. well depth that is suitable for of these two kinds of methods, the maximum well depth that these two kinds of methods use is generally three, four kms (use the degree of depth and the factor such as stratum, drilling condition closely related).Along with the further increase of well depth, these two kinds of methods can not re-use.Ultradeep well present stage refers to the drilling well of well depth more than 6000 meters, and at present, the well that the deep continental scientific drilling project that China's part Oil/gas Well and country are just performing creeps into, the degree of depth is all more than 6000 meters.For these ultradeep wells, at present, domestic monitoring and transmission shaft bottom drilling parameter still have certain difficulty.Based on this, patent of the present invention is intended to propose a kind of shaft bottom drilling parameter transmission new method for ultradeep well, solves ultradeep well shaft bottom drilling parameter transmission problem.
Summary of the invention
The invention provides a kind of shaft bottom drilling parameter transmission system for ultradeep well, solve the deficiency in background technology, this transmission system by the restriction of signal transmission distance, can not obtain the drilling parameter in shaft bottom in time, and the parameter degree of accuracy obtained is high.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is:
A kind of shaft bottom drilling parameter transmission system for ultradeep well, at least comprise and be arranged at ground rig operations platform and boring tower, and be positioned at drill string and the drill bit of boring, water tap and kelly is provided with in boring tower, drill string to be connected with kelly by tool joint and to rotate under kelly drives, drill bit is installed on the bottom of drill string, outer tube is provided with between described drill string and drill bit, the top of outer tube is connected with drill string by reducing joint, the bottom of outer tube is connected with drill bit by joint, data acquisition unit is provided with in described outer tube, upper press ring and lower pressure ring, upper press ring is all connected with outer tube by screw thread with lower pressure ring, and lay respectively at top and the bottom of data acquisition unit, thus data acquisition unit is fixed,
Described data acquisition unit at least comprises interior pipe, above cross water swivel and descended water swivel, above cross water swivel and descended on water swivel to be equipped with aquaporin, for being slidably matched between both and outer tube, upper water swivel excessively, lower water swivel of crossing is connected to form a confined space by screw thread and interior pipe, battery pack is provided with in described confined space, wireless signal transmitter and measurement pipe nipple, measure in pipe nipple the high accuracy three-axis gyroscope be provided with for drilling parameter at the bottom of measuring well, pressure and temperature pick up, wireless signal transmitter is used for measuring the signal of pipe nipple acquisition by wirelessly sending after coding, battery pack is used for powering to wireless signal transmitter and measurement pipe nipple,
Described ground is provided with filtered fluid cycling element, described filtered fluid cycling element comprises mud pit, suction water pipe, slush pump and high-pressure rubber pipe, described mud pit is communicated with boring, one end of suction water pipe and high-pressure rubber pipe is connected on the entrance and exit of slush pump, the other end of suction water pipe is positioned at mud pit, the other end of high-pressure rubber pipe is connected with water tap, drilling fluid is successively through water tap, drill string, reducing joint, outer tube enters the bottom of boring, then upwards mud pit is flowed into along boring, again through suction water pipe, slush pump, high-pressure rubber pipe and water tap refill, micro-receiver that density is less than drilling fluid density is distributed with in described drilling fluid, described micro-receiver is mobile with drilling fluid flowing, the signal of wireless signal transmitter transmitting can be received when micro-receiver moves to outer tube and store.
Be provided with the screen pack for tackling micro-receiver between described mud pit and boring, the diameter of described micro-receiver is greater than the mesh diameter of screen pack.
Described ground is provided with wireless card reader, after wireless card reader reads shaft bottom drilling parameter signal from micro-receiver by wire transmission to rig operations platform.
Compared with prior art, shaft bottom provided by the invention drilling parameter transmission system has following advantage: be provided with data acquisition unit in the outer tube in this application due to the below of drill string, data acquisition unit can drilling parameter at the bottom of production wells, then parameter is converted into the signal of telecommunication and is emitted to micro-receiver near outer tube, flowing along with drilling fluid after micro-receiver receives signal is got back on ground, because its density is less than the density of drilling fluid, therefore micro-receiver can float on drilling fluid, is convenient to collect.Owing to have employed above working method in the present invention, therefore, it is possible to overcome the restriction of signal transmission distance, what collect shaft bottom exactly creeps into data.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of shaft bottom provided by the invention drilling parameter transmission system;
In figure: 1-boring tower, 2-water tap, 3-kelly, 4-tool joint, 5-drill string, 6-wireless card reader, 7-wire, 8-reducing joint, 9-upper press ring, 10-outer tube, 11-upper water swivel, pipe in 12-, 13-battery pack, the micro-receiver of 14-, 15-rig operations platform, 16-wireless signal transmitter, 17-measures pipe nipple, and 18-descended water swivel, pressure ring under 19-, 20-joint, 21-drill bit, 22-mud pit, 23-suction water pipe, 24-slush pump, 25-high-pressure rubber pipe, 26-screen pack.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed specific description is done to the present invention, but protection scope of the present invention is not limited to following examples.
The structure of the shaft bottom drilling parameter transmission system for ultradeep well provided by the invention as shown in Figure 1, comprise and be arranged at ground rig operations platform 15 and boring tower 1, and be positioned at drill string 5 and the drill bit 21 of boring, water tap 2 and kelly 3 is provided with in boring tower 1, drill string 5 to be connected with kelly 3 by tool joint 4 and to rotate under kelly 3 drives, and drill bit 21 is installed on the bottom of drill string 5.
Outer tube 10 is provided with between described drill string 5 and drill bit 21, the top of outer tube 10 is connected with drill string 5 by reducing joint 8, the bottom of outer tube 10 is connected with drill bit 21 by joint 20, data acquisition unit, upper press ring 9 and lower pressure ring 19 is provided with in described outer tube 10, upper press ring 9 is all connected with outer tube 10 by screw thread with lower pressure ring 19, and lay respectively at top and the bottom of data acquisition unit, thus data acquisition unit is fixed.
Described data acquisition unit at least comprises interior pipe 12, above cross water swivel 11 and descended water swivel 18, above cross water swivel 11 and descended on water swivel 18 to be equipped with aquaporin, for being slidably matched between both and outer tube, upper water swivel 11 excessively, lower water swivel 18 of crossing is connected to form a confined space by screw thread and interior pipe 12, battery pack 13 is provided with in described confined space, wireless signal transmitter 16 and measurement pipe nipple 17, measure in pipe nipple 17 the high accuracy three-axis gyroscope be provided with for drilling parameter at the bottom of measuring well, pressure and temperature pick up, wireless signal transmitter 16 wirelessly sends after encoding for the signal obtained by measurement pipe nipple 17, battery pack 13 is powered for giving wireless signal transmitter and measuring pipe nipple.
Described ground is provided with filtered fluid cycling element, described filtered fluid cycling element comprises mud pit 22, suction water pipe 23, slush pump 24 and high-pressure rubber pipe 25, described mud pit 22 is communicated with boring, is provided with the screen pack 26 for tackling micro-receiver between mud pit 22 and boring.One end of suction water pipe 23 and high-pressure rubber pipe 25 is connected on the entrance and exit of slush pump 24, the other end of suction water pipe 23 is positioned at mud pit 22, the other end of high-pressure rubber pipe 25 is connected with water tap 2, drilling fluid enters the bottom of boring successively through water tap, drill string, reducing joint, outer tube, then upwards flow into mud pit along boring, then refill through suction water pipe, slush pump, high-pressure rubber pipe and water tap.
Be distributed with micro-receiver 14 that density is less than drilling fluid density in described drilling fluid, described micro-receiver 14 is mobile with drilling fluid flowing, can receive the signal of wireless signal transmitter transmitting and store when micro-receiver 14 moves to outer tube.The diameter of described described micro-receiver is greater than the mesh diameter of screen pack.
Described ground is provided with wireless card reader 6, and wireless card reader 6 is transferred to rig operations platform 15 by wire 8 after micro-receiver 14 reads shaft bottom drilling parameter signal.
In use, it is good all devices to be pressed connection shown in Fig. 1 for shaft bottom drilling parameter transmission system for ultradeep well provided by the invention, and shaft bottom drilling parameter measures drilling tool by drill string at the bottom of hole, and now, micro-receiver is stand-down not G.I.H still.
First slush pump is opened, slush pump injects drill string inner chamber by high-pressure rubber pipe and water tap after sucking drilling fluid by suction water pipe from mud pit, arrive after at the bottom of hole flow back in mud pit by the annular gap between drill string and boring returns to ground, flushing liquor flow direction as shown in Figure 1, injected in drill string by slush pump more afterwards and manage, so move in circles, realize normally creeping into.
When needing drilling parameter at the bottom of measuring well in drilling process, the screw thread between kelly and tool joint can be opened, micro-receiver is dropped into drill string inner chamber, after connecting kelly and tool joint, open slush pump and normally creep into.Now, micro-receiver is always descending along the inner chamber of drill string under the effect of flushing liquor, when micro-receiver is near wireless signal transmitter, the shaft bottom drilling parameter that measurement pipe nipple records is emitted to micro-receiver by wireless signal by wireless signal transmitter, shaft bottom drilling parameter stores therein and returns ground along with on flushing liquor by micro-receiver, flow to mud pit, screen pack is provided with in mud pit entrance, before micro-receiver is blocked in screen pack, because its density is slightly less than drilling fluid, therefore micro-receiver can swim in drilling fluid surface.Staff is put on wireless card reader after fishing for micro-receiver, wireless card reader to read in well that micro-receiver stores after drilling parameter by wire transmission to drilling operation platform, drilling-machine operator can grasp shaft bottom drilling parameter in time, reaches by changing the technical measures such as drilling process targets such as improving drilling efficiency, raising drilling quality and minimizing drilling accident.
Claims (3)
1. the shaft bottom drilling parameter transmission system for ultradeep well, at least comprise and be arranged at ground rig operations platform and boring tower, and be positioned at drill string and the drill bit of boring, water tap and kelly is provided with in boring tower, drill string to be connected with kelly by tool joint and to rotate under kelly drives, drill bit is installed on the bottom of drill string, it is characterized in that: between described drill string and drill bit, be provided with outer tube, the top of outer tube is connected with drill string by reducing joint, the bottom of outer tube is connected with drill bit by joint, data acquisition unit is provided with in described outer tube, upper press ring and lower pressure ring, upper press ring is all connected with outer tube by screw thread with lower pressure ring, and lay respectively at top and the bottom of data acquisition unit, thus data acquisition unit is fixed,
Described data acquisition unit at least comprises interior pipe, above cross water swivel and descended water swivel, above cross water swivel and descended on water swivel to be equipped with aquaporin, for being slidably matched between both and outer tube, upper water swivel excessively, lower water swivel of crossing is connected to form a confined space by screw thread and interior pipe, battery pack is provided with in described confined space, wireless signal transmitter and measurement pipe nipple, measure in pipe nipple the high accuracy three-axis gyroscope be provided with for drilling parameter at the bottom of measuring well, pressure and temperature pick up, wireless signal transmitter is used for measuring the signal of pipe nipple acquisition by wirelessly sending after coding, battery pack is used for powering to wireless signal transmitter and measurement pipe nipple,
Described ground is provided with filtered fluid cycling element, described filtered fluid cycling element comprises mud pit, suction water pipe, slush pump and high-pressure rubber pipe, described mud pit is communicated with boring, one end of suction water pipe and high-pressure rubber pipe is connected on the entrance and exit of slush pump, the other end of suction water pipe is positioned at mud pit, the other end of high-pressure rubber pipe is connected with water tap, drilling fluid is successively through water tap, drill string, reducing joint, outer tube enters the bottom of boring, then upwards mud pit is flowed into along boring, again through suction water pipe, slush pump, high-pressure rubber pipe and water tap refill, micro-receiver that density is less than drilling fluid density is distributed with in described drilling fluid, described micro-receiver is mobile with drilling fluid flowing, the signal of wireless signal transmitter transmitting can be received when micro-receiver moves to outer tube and store.
2. the shaft bottom drilling parameter transmission system for ultradeep well according to claim 1, is characterized in that: be provided with the screen pack for tackling micro-receiver between described mud pit and boring, the diameter of described micro-receiver is greater than the mesh diameter of screen pack.
3. the shaft bottom drilling parameter transmission system for ultradeep well according to claim 1, it is characterized in that: described ground is provided with wireless card reader, after wireless card reader reads shaft bottom drilling parameter signal from micro-receiver by wire transmission to rig operations platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410514295.4A CN104343441A (en) | 2014-09-29 | 2014-09-29 | Bottom drilling parameter transmission system for ultra-deep well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410514295.4A CN104343441A (en) | 2014-09-29 | 2014-09-29 | Bottom drilling parameter transmission system for ultra-deep well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104343441A true CN104343441A (en) | 2015-02-11 |
Family
ID=52499826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410514295.4A Pending CN104343441A (en) | 2014-09-29 | 2014-09-29 | Bottom drilling parameter transmission system for ultra-deep well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104343441A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847332A (en) * | 2015-04-22 | 2015-08-19 | 山东科技大学 | Intelligent sand removal flow meter for drill hole |
| CN105178873A (en) * | 2015-09-29 | 2015-12-23 | 中国能源建设集团安徽省电力设计院有限公司 | Cooling water filtering and circulating device for packsack type core drilling machine |
| CN106481330A (en) * | 2015-08-31 | 2017-03-08 | 中国石油化工股份有限公司 | A kind of downhole monitoring system |
| CN108343422A (en) * | 2018-01-16 | 2018-07-31 | 中国地质大学（武汉） | A kind of downhole motor machine speed probe |
| CN108825225A (en) * | 2018-06-14 | 2018-11-16 | 贵州省地质矿产勘查开发局111地质大队 | Joint type water level and water temperature measuring device |
| CN110344772A (en) * | 2019-07-29 | 2019-10-18 | 四川轻化工大学 | Reverse circulation drilling circulation channel switching nipple |
| CN110344757A (en) * | 2019-07-29 | 2019-10-18 | 四川轻化工大学 | Reverse circulation well drilling system and reverse circulation well drilling method |
| CN112096289A (en) * | 2020-09-14 | 2020-12-18 | 德州联合石油科技股份有限公司 | Near-bit geological guiding drilling system |
| CN112554788A (en) * | 2020-12-08 | 2021-03-26 | 中煤地质集团有限公司 | Multi-functional geological survey probing device |
| CN112647874A (en) * | 2020-12-31 | 2021-04-13 | 核工业北京地质研究院 | Device and method for automatically, synchronously and accurately recording volume and pump pressure of flushing liquid |
| CN114542049A (en) * | 2022-03-09 | 2022-05-27 | 安百拓（南京）建筑矿山设备有限公司 | Drilling data measuring method and system of drilling machine and drilling machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000073625A1 (en) * | 1999-05-28 | 2000-12-07 | Baker Hughes Incorporated | Method of utilizing flowable devices in wellbores |
| CN201041032Y (en) * | 2007-03-19 | 2008-03-26 | 北京六合伟业科技有限公司 | Split type wireless on-drilling declinator |
| CN101408101A (en) * | 2006-12-29 | 2009-04-15 | 普拉德研究及开发股份有限公司 | Wellbore telemetry system and method |
| CN102733793A (en) * | 2012-06-28 | 2012-10-17 | 中国地质大学（武汉） | Real-time monitoring system for hole bottom parameters in deep hole drilling |
| CN104179497A (en) * | 2013-05-22 | 2014-12-03 | 中国石油化工股份有限公司 | Release type while-drilling (WD) downhole data uploading method and system |
-
2014
- 2014-09-29 CN CN201410514295.4A patent/CN104343441A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000073625A1 (en) * | 1999-05-28 | 2000-12-07 | Baker Hughes Incorporated | Method of utilizing flowable devices in wellbores |
| CN101408101A (en) * | 2006-12-29 | 2009-04-15 | 普拉德研究及开发股份有限公司 | Wellbore telemetry system and method |
| CN201041032Y (en) * | 2007-03-19 | 2008-03-26 | 北京六合伟业科技有限公司 | Split type wireless on-drilling declinator |
| CN102733793A (en) * | 2012-06-28 | 2012-10-17 | 中国地质大学（武汉） | Real-time monitoring system for hole bottom parameters in deep hole drilling |
| CN104179497A (en) * | 2013-05-22 | 2014-12-03 | 中国石油化工股份有限公司 | Release type while-drilling (WD) downhole data uploading method and system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847332A (en) * | 2015-04-22 | 2015-08-19 | 山东科技大学 | Intelligent sand removal flow meter for drill hole |
| CN104847332B (en) * | 2015-04-22 | 2016-08-17 | 山东科技大学 | A kind of boring intelligence is removed sand effusion meter |
| CN106481330A (en) * | 2015-08-31 | 2017-03-08 | 中国石油化工股份有限公司 | A kind of downhole monitoring system |
| CN105178873A (en) * | 2015-09-29 | 2015-12-23 | 中国能源建设集团安徽省电力设计院有限公司 | Cooling water filtering and circulating device for packsack type core drilling machine |
| CN108343422A (en) * | 2018-01-16 | 2018-07-31 | 中国地质大学（武汉） | A kind of downhole motor machine speed probe |
| CN108825225A (en) * | 2018-06-14 | 2018-11-16 | 贵州省地质矿产勘查开发局111地质大队 | Joint type water level and water temperature measuring device |
| CN110344772A (en) * | 2019-07-29 | 2019-10-18 | 四川轻化工大学 | Reverse circulation drilling circulation channel switching nipple |
| CN110344757A (en) * | 2019-07-29 | 2019-10-18 | 四川轻化工大学 | Reverse circulation well drilling system and reverse circulation well drilling method |
| CN110344772B (en) * | 2019-07-29 | 2020-09-01 | 四川轻化工大学 | Reverse circulation drilling circulation channel switching nipple |
| CN110344757B (en) * | 2019-07-29 | 2020-09-11 | 四川轻化工大学 | Reverse circulation well drilling system and reverse circulation well drilling method |
| CN112096289A (en) * | 2020-09-14 | 2020-12-18 | 德州联合石油科技股份有限公司 | Near-bit geological guiding drilling system |
| CN112554788A (en) * | 2020-12-08 | 2021-03-26 | 中煤地质集团有限公司 | Multi-functional geological survey probing device |
| CN112647874A (en) * | 2020-12-31 | 2021-04-13 | 核工业北京地质研究院 | Device and method for automatically, synchronously and accurately recording volume and pump pressure of flushing liquid |
| CN114542049A (en) * | 2022-03-09 | 2022-05-27 | 安百拓（南京）建筑矿山设备有限公司 | Drilling data measuring method and system of drilling machine and drilling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104343441A (en) | Bottom drilling parameter transmission system for ultra-deep well | |
| CN201433731Y (en) | Coring tool and rock core transporting assembly | |
| CN100412314C (en) | Process for gas collection by a well with one mouth and multiple branches drilled along coal layer | |
| CN203742581U (en) | Pi logging while drilling system | |
| CN1536198A (en) | Method for measuring downhole pressure in the course of drilling operation and its equipment | |
| CN103967481A (en) | Method and system for real-time multi-parameter measurement and transmission while drilling in all well sections | |
| CN111323331B (en) | Coal seam gas content measuring device and method based on directional drilling machine | |
| CN103696760A (en) | Near-bit measurement while drilling sound wave short-distance transmission method and transmission device | |
| CN105201489A (en) | Wireless transmission method of acoustic while-drilling data in drill string during gas drilling | |
| CN102296950B (en) | Hydraulic shearing type sampling drilling tool | |
| CN105649583A (en) | Electric control intelligent well completion testing and adjusting system and method | |
| US11008822B2 (en) | Operational system for launching, managing and controlling a robot autonomous unit (RAU) for operations in oil and gas wells and method of well logging | |
| CN107907187B (en) | Method and device for measuring gas-liquid interface depth of salt cavern gas storage | |
| CN106014379A (en) | Layered simultaneous production testing string | |
| CN103790576A (en) | MWD wireless pressure sensor transmission device for petroleum drilling well | |
| CN207144931U (en) | A kind of presser sensor stratum controlled pressure drilling monitoring system | |
| CN202900265U (en) | Near-bit measurement-while-drilling sound wave short-distance transmission device | |
| CN107130958A (en) | A kind of Intelligent drilling tool drilling well wired data transfer system | |
| CN201661292U (en) | Multi-work mode wireless drilling inclinometer | |
| CN203164441U (en) | Portable air bag isolation drilling pressured water tester | |
| CN107989602B (en) | Underground fracturing data wireless transmission device | |
| CN202064936U (en) | Wireless transmission downhole shut-in pressure measuring device | |
| CN205805470U (en) | Conveying-type side-wall coring system | |
| CN107299828A (en) | Well bore sidewall core taker horizontal well method of work | |
| RU89604U1 (en) | DEVICE FOR SIMULTANEOUSLY SEPARATE OPERATION OF MULTI-PLASTIC WELLS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150211 |