CN107165616B - Wired inclinometer while drilling - Google Patents
Wired inclinometer while drilling Download PDFInfo
- Publication number
- CN107165616B CN107165616B CN201710594306.8A CN201710594306A CN107165616B CN 107165616 B CN107165616 B CN 107165616B CN 201710594306 A CN201710594306 A CN 201710594306A CN 107165616 B CN107165616 B CN 107165616B
- Authority
- CN
- China
- Prior art keywords
- steel core
- centralizer
- cable
- upper side
- head
- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention discloses a wired inclination measurement while drilling instrument, which comprises a feeding head, a damping steel core sleeve and a sealing joint, wherein a drill bit is arranged on the lower side surface of the feeding head, an inclination guide is arranged on the outer surface of the upper side of the drill bit, an inclination guide adjusting nut is arranged on the outer side surface of the upper side of the inclination guide, which is close to the feeding head, a centralizer is arranged on the upper side of the feeding head, a compression-resistant cylinder is arranged on the surface of the upper side of the centralizer, and an extension rod is arranged on the surface of the lower side of the centralizer; the centralizer that contains the shock attenuation steel core cover inside is provided with at the connecting cylinder junction of at all levels to effectual vibrations having alleviateed, making pulse signal decay and error greatly reduced, be provided with waterproof sealing washer at the external screw thread of connecting cylinder, having reduced mud and erodeed the loss, the probing is more reliable, and measuring result can accurately transmit to ground in real time, has just so taken a pair glasses for eyes, makes the engineering plan more clear, commands more appropriately, has practiced thrift the time limit for a project, has reduced customer's expenditure.
Description
Technical Field
The invention belongs to the technical field of measurement while drilling, and particularly relates to a wired inclinometer while drilling.
Background
Measurement while drilling is carried out in the development process of oil and gas field exploration and the like, the measurement must be carried out after drilling so as to know the oil and gas containing condition of a stratum, for example, a highly-deviated well with the inclination of the well exceeding 65 degrees or even a horizontal well, an instrument is difficult to put down by a cable, in addition, the condition of the well wall is not good, collapse or blockage easily occurs, and logging information is difficult to obtain, so people want to obtain various information of the stratum while drilling if the logging instrument is put on a drill bit, and the drill bit is enabled to grow an 'eye', and various information of the stratum can be obtained while drilling, namely measurement while drilling.
The original product is in the probing process because the drill bit creeps into the in-process environment abominable, and pressure is very big, and vibration is strong, leads to the measuring result to receive environmental factor influence great, consequently follows the stability of boring logging instrument and is difficult to guarantee the accuracy of measuring result.
Disclosure of Invention
The invention aims to provide a wired logging-while-drilling instrument to solve the problem that the stability of the logging-while-drilling instrument cannot guarantee the accuracy of a measurement result due to the fact that the measurement result is greatly influenced by environmental factors because a drill bit is in a bad environment, high pressure and strong vibration in the drilling process of the original product provided by the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a wired inclination measurement while drilling instrument comprises a feeding head, a damping steel core sleeve and a sealing joint, wherein a drill bit is arranged on the lower side surface of the feeding head, an inclined guide is arranged on the outer side surface of the drill bit, an inclined guide adjusting nut is arranged on the upper side of the inclined guide, which is close to the outer side surface of the feeding head, a centralizer is arranged on the upper side surface of the feeding head, a pressure resistant cylinder is arranged on the upper side surface of the centralizer, an extension rod is arranged on the lower side surface of the centralizer, the damping steel core sleeve is arranged at the middle position inside the centralizer, a spiral steel core sleeve is arranged at the middle position of the damping steel core sleeve, a steel core sleeve fixing head is arranged on the outer side surface of the spiral steel core sleeve, a connecting thread is arranged at the middle position of the damping steel core sleeve, which is close to the extension rod, and a waterproof sealing ring is arranged on the outer side surface of the connecting, a lower damper plug is arranged on the inner surface of the lower side of the compression cylinder and close to the upper side of the centralizer, a damping spring is arranged on the outer side surface of the lower damper plug, a T-shaped head is arranged at the middle position of the upper side of the damping spring, a probe tube is arranged on the surface of the outer side of the T-shaped head, which is close to the inner side of the compression cylinder, a cable adapter is arranged on the inner side surface of the middle position of the upper side of the probe tube close to the compression-resistant cylinder, the outer side surface of the upper side of the cable adapter is provided with an adapter tube, the sealing joint is arranged on the inner side surface of the adapter tube close to the upper side of the cable adapter, a cable core is arranged in the middle of the upper side of the sealing joint, a cable head is arranged on the surface of the upper side of the cable core, the upside that the intermediate position department of cable head is close to the switching pipe is provided with single core cable, drill bit and single core cable and external power electric connection.
Preferably, the leading bevel and the feeding head are rotatably connected through a leading bevel adjusting nut.
Preferably, the damping steel core sleeve is fixedly connected with the extension bar through a steel core sleeve fixing head, and the damping steel core sleeve is fixedly connected with the compression-resisting cylinder through a steel core sleeve fixing head.
Preferably, the probe tube is connected with the lower plug of the shock absorber in a sliding mode through a shock absorption spring.
Preferably, the feeding head is fixedly connected with the extension bar through a centralizer.
Compared with the prior art, the invention has the beneficial effects that:
the invention has scientific and reasonable structure and safe and convenient use, the centralizer with a shock-absorbing steel core sleeve inside is arranged at the joint of each stage of connecting cylinder, thereby effectively lightening the shock, greatly reducing the attenuation of pulse signals and the error, the waterproof sealing ring is arranged on the external thread of the connecting cylinder, reducing the erosion loss of slurry, ensuring more reliable drilling, and the measuring result can be accurately transmitted to the ground in real time, thereby bringing a pair of glasses for eyes, ensuring that the project plan is clearer, commanding more properly, saving the construction period and reducing the customer expenditure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the compression-resistant cylinder of the present invention;
FIG. 3 is a schematic view of an adapter tube structure according to the present invention;
FIG. 4 is a schematic view of the structure of the shock absorbing steel core sleeve of the present invention;
in the figure: 1-drill bit, 2-inclination guiding and adjusting nut, 3-centralizer, 4-feeding head, 5-inclination guiding, 6-extension bar, 7-waterproof sealing ring, 8-shock absorber lower plug, 9-T type head, 10-cable adapter, 11-probe, 12-shock absorption spring, 13-compression resistant cylinder, 14-shock absorption steel core sleeve, 15-connecting thread, 16-cable core, 17-single core cable, 18-cable head, 19-sealing joint, 20-adapter tube, 21-steel core sleeve fixing head and 22-spiral.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a wired inclination measuring instrument while drilling comprises a feeding head 4, a damping steel core sleeve 14 and a sealing joint 19, wherein a drill bit 1 is arranged on the lower side surface of the feeding head 4, an inclination guide 5 is arranged on the outer side surface of the drill bit 1, an inclination guide adjusting nut 2 is arranged on the upper side of the inclination guide 5 close to the outer side surface of the feeding head 4, a centralizer 3 is arranged on the upper side of the feeding head 4, a pressure resistant cylinder 13 is arranged on the upper side surface of the centralizer 3, an extension bar 6 is arranged on the lower side surface of the centralizer 3, the damping steel core sleeve 14 is arranged at the middle position inside the centralizer 3, a spiral steel core 22 is arranged at the middle position of the damping steel core sleeve 14, a steel core sleeve fixing head 21 is arranged on the outer side surface of the spiral steel core sleeve 22, a connecting thread 15 is arranged at the middle position close to the extension bar 6, a waterproof sealing ring 7 is arranged on the upper side of the connecting thread 15 close to the outer side surface, the lower end cap 8 of the shock absorber is arranged on the inner surface of the lower side of the compression cylinder 13 close to the upper side of the centralizer 3, the damping spring 12 is arranged on the surface of the outer side of the lower end cap 8 of the shock absorber, the T-shaped head 9 is arranged at the middle position of the upper side of the damping spring 12, the probe 11 is arranged on the surface of the outer side of the T-shaped head 9 close to the inner side of the compression cylinder 13, the cable adapter 10 is arranged on the surface of the inner side of the compression cylinder 13 close to the middle position of the upper side of the probe 11, the adapter 20 is arranged on the surface of the outer side of the cable adapter 10, the sealing joint 19 is arranged on the surface of the inner side of the adapter 20 close to the upper side of the cable adapter 10, the cable core 16 is arranged at the middle position of the sealing joint 19, the cable head 18 is arranged on the surface of the upper side of the cable head 18 close to.
In order to facilitate the adjustment of the inclination measuring direction, in the embodiment, it is preferable that the inclination guiding 5 is rotatably connected with the feeding head 4 through the inclination guiding adjusting nut 2.
In order to ensure the reliability of the shock absorption between the casing pipes of the inclinometer, in this embodiment, preferably, the shock absorption steel core sleeve 14 is fixedly connected with the extension bar 6 through a steel core sleeve fixing head 21, and the shock absorption steel core sleeve 14 is fixedly connected with the pressure resisting cylinder 13 through a steel core sleeve fixing head 21.
In order to ensure the stability of signal transmission, in this embodiment, it is preferable that the probe tube 11 is slidably connected to the damper lower plug 8 through a damping spring 12.
In order to ensure a cushioned connection between the connecting cylinders, it is preferred in this embodiment that the feed head 4 is fixedly connected to the extension rod 6 by means of the centering guide 3.
The damping steel core sleeve 14 in the invention is a spiral elastic steel bar, the damping steel bar 14 tends to be outwards bent by rotation, and the outer centralizer 3 and the outer rubber wing have the function of reducing the bending of the damping steel bar 14 under the pressure, thereby achieving the aim of damping between connecting cylinders.
The working principle and the using process of the invention are as follows: after the device is installed, a drill bit 1 and a single-core cable 17 are connected into an external power supply, a feeding head 4, an extension bar 6 and a compression cylinder 13 are flexibly connected through a centralizer 3, the stability of internal elements in the feeding process is guaranteed, the stability of signal transmission is improved, the feeding head 4 drills and feeds downwards, signals are transmitted to a cable adapter 10 through an internal sensor through a probe 11, signals are transmitted to a cable core 16 through the cable adapter 10, and finally the signals are transmitted out through the single-core cable 17 on the cable head 18.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A wired inclinometer while drilling instrument comprises a feeding head (4), a damping steel core sleeve (14) and a sealing joint (19), and is characterized in that: the shock absorption steel core sleeve is characterized in that a drill bit (1) is arranged on the lower side surface of a feeding head (4), an inclined guide (5) is arranged on the outer side surface of the drill bit (1), an inclined guide adjusting nut (2) is arranged on the outer side surface, close to the feeding head (4), of the upper side of the inclined guide (5), a centralizer (3) is arranged on the upper side surface of the feeding head (4), a pressure resistant cylinder (13) is arranged on the upper side surface of the centralizer (3), an extension rod (6) is arranged on the lower side surface of the centralizer (3), the shock absorption steel core sleeve (14) is installed at the middle position inside the centralizer (3), a spiral steel core (22) is arranged at the middle position of the shock absorption steel core sleeve (14), a steel core sleeve fixing head (21) is arranged on the outer side surface of the spiral steel core (22), a connecting thread (15) is arranged at the middle position, close to the extension rod (6), of the lower side of the, the outer side surface of the upside of the connecting thread (15) close to the extension bar (6) is provided with a waterproof sealing ring (7), the upside of the lower side inner surface of the compression cylinder (13) close to the centralizer (3) is provided with a shock absorber lower plug (8), the outer side surface of the shock absorber lower plug (8) is provided with a damping spring (12), the upside middle position of the damping spring (12) is provided with a T-shaped head (9), the inner side surface of the outer side of the T-shaped head (9) close to the compression cylinder (13) is provided with a probe tube (11), the inner side surface of the upside middle position of the probe tube (11) close to the compression cylinder (13) is provided with a cable adapter (10), the upside outer side surface of the cable adapter (10) is provided with an adapter tube (20), the sealing joint (19) is arranged on the inner side surface of the adapter tube (20) close to the upside of the cable adapter (10), a cable core (16) is arranged in the middle of the upper side of the sealing joint (19), a cable head (18) is arranged on the surface of the upper side of the cable core (16), a single-core cable (17) is arranged on the middle of the cable head (18) close to the upper side of the adapter tube (20), and the drill bit (1) and the single-core cable (17) are electrically connected with an external power supply;
the probe tube (11) is in sliding connection with the lower plug (8) of the shock absorber through a damping spring (12); the feeding head (4) is fixedly connected with the extension bar (6) through the centralizer (3).
2. The wired inclinometer while drilling instrument as recited in claim 1, wherein: the lead-in skew (5) is rotationally connected with the feeding head (4) through a lead-in skew adjusting nut (2).
3. The wired inclinometer while drilling instrument as recited in claim 1, wherein: the damping steel core sleeve (14) is fixedly connected with the extension bar (6) through a steel core sleeve fixing head (21), and the damping steel core sleeve (14) is fixedly connected with the compression cylinder (13) through the steel core sleeve fixing head (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594306.8A CN107165616B (en) | 2017-07-20 | 2017-07-20 | Wired inclinometer while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594306.8A CN107165616B (en) | 2017-07-20 | 2017-07-20 | Wired inclinometer while drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165616A CN107165616A (en) | 2017-09-15 |
| CN107165616B true CN107165616B (en) | 2021-01-08 |
Family
ID=59817168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710594306.8A Expired - Fee Related CN107165616B (en) | 2017-07-20 | 2017-07-20 | Wired inclinometer while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107165616B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798645B (en) * | 2018-06-07 | 2021-09-17 | 永城煤电控股集团有限公司 | Interior following formula deviational survey device of drilling rod and interior following formula deviational survey system of drilling rod |
| CN109667552B (en) * | 2018-12-29 | 2020-08-21 | 武汉固德超前高新科技研发有限公司 | Centralizer for borehole logging |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201874554U (en) * | 2010-11-02 | 2011-06-22 | 中国石油集团川庆钻探工程有限公司 | Shock absorber applicable to measurement-while-drilling probes |
| CN201902203U (en) * | 2010-12-23 | 2011-07-20 | 北京海蓝科技开发有限责任公司 | Exploring tube component and drilling inclinometer comprising same |
| CN203430503U (en) * | 2013-08-20 | 2014-02-12 | 长春市斯普瑞新技术有限责任公司 | Direct-reading type two-channel examining seal pressure gauge |
| US20170044845A1 (en) * | 2014-04-30 | 2017-02-16 | Tolteq Group, LLC | Snubber for downhole tool |
| CN106761663A (en) * | 2015-11-22 | 2017-05-31 | 天津大港油田圣达科技有限公司 | A kind of Novel down-hole detector |
-
2017
- 2017-07-20 CN CN201710594306.8A patent/CN107165616B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201874554U (en) * | 2010-11-02 | 2011-06-22 | 中国石油集团川庆钻探工程有限公司 | Shock absorber applicable to measurement-while-drilling probes |
| CN201902203U (en) * | 2010-12-23 | 2011-07-20 | 北京海蓝科技开发有限责任公司 | Exploring tube component and drilling inclinometer comprising same |
| CN203430503U (en) * | 2013-08-20 | 2014-02-12 | 长春市斯普瑞新技术有限责任公司 | Direct-reading type two-channel examining seal pressure gauge |
| US20170044845A1 (en) * | 2014-04-30 | 2017-02-16 | Tolteq Group, LLC | Snubber for downhole tool |
| CN106761663A (en) * | 2015-11-22 | 2017-05-31 | 天津大港油田圣达科技有限公司 | A kind of Novel down-hole detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107165616A (en) | 2017-09-15 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 Termination date: 20210720 |