CN113530530B - Logging while drilling instrument - Google Patents
Logging while drilling instrument Download PDFInfo
- Publication number
- CN113530530B CN113530530B CN202110796460.XA CN202110796460A CN113530530B CN 113530530 B CN113530530 B CN 113530530B CN 202110796460 A CN202110796460 A CN 202110796460A CN 113530530 B CN113530530 B CN 113530530B
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- instrument
- sensor
- resistivity
- nipple
- logging
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- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 210000002445 nipple Anatomy 0.000 claims abstract description 55
- 238000005259 measurement Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 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
- E21B47/13—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 by electromagnetic energy, e.g. radio frequency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The application discloses logging while drilling instrument, logging while drilling instrument includes: the instrument nipple and install first sensor and the second sensor on the instrument nipple, first sensor with the second sensor is followed instrument nipple's circumference is arranged. The logging while drilling instrument provided by the embodiment of the application can effectively reduce the length of the logging while drilling instrument.
Description
Technical Field
The present application relates to the field of, but is not limited to, logging instruments, and in particular to a logging-while-drilling instrument.
Background
Currently, in the downhole testing process, if multiple types of logging work are to be performed downhole at the same time, multiple instrument pup joints with different sensors are required to be added into the instrument string, and the length of the instrument string is increased to a greater extent in this way.
For example: gamma measurement and resistivity measurement are carried out underground, two instrument nipple joints are required to be connected in series to be completed, wherein a gamma measurement sensor is arranged on one instrument nipple joint, and a resistivity sensor is arranged on the other instrument nipple joint. But two instrument pups for measurement are arranged, the combined length of the two instrument pups is longer than 6m, and the length of the whole instrument string is not reduced.
Disclosure of Invention
The embodiment of the application provides a logging while drilling instrument, which can effectively reduce the length of the logging while drilling instrument.
The embodiment of the application provides a logging while drilling instrument, the logging while drilling instrument includes: the instrument nipple and install first sensor and the second sensor on the instrument nipple, first sensor with the second sensor is followed instrument nipple's circumference is arranged.
Compared with some technologies, the application has the following beneficial effects:
the logging while drilling instrument provided by the embodiment of the application can effectively shorten the length of the logging while drilling instrument under the condition of ensuring that gamma measurement and resistivity measurement can be carried out, and avoid adverse effects on logging work caused by overlong integral length of instrument strings. The plurality of sensors are parallelly arranged on the instrument nipple, so that the length of the instrument nipple where the plurality of sensors (of different types) are arranged is prevented from being overlapped in the axial direction, the plurality of sensors are parallelly arranged on the same instrument nipple, and the length of an instrument string is effectively shortened.
Additional features and advantages of the application will be set forth in the description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the technical aspects of the present application, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present application and together with the examples of the present application, and not constitute a limitation of the technical aspects of the present application.
FIG. 1 is a schematic diagram of a logging-while-drilling instrument according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a logging-while-drilling instrument according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram III of a logging-while-drilling instrument according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a logging-while-drilling instrument according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a logging-while-drilling instrument according to an embodiment of the present disclosure;
fig. 6 is a sectional view of B-B in fig. 5.
Illustration of:
1-instrument nipple, 2-instrument base body, 21-tuning cover plate groove, 22-second connecting hole, 23-main control board groove, 3-sensor mounting section, 31-first connecting hole, 32-mounting groove, 41-resistivity transmitting sensor, 42-resistivity receiving sensor, 5-azimuth measuring sensor, 6-gamma measuring sensor and 7-control circuit.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.
Embodiments of the present application provide a logging-while-drilling instrument, as shown in fig. 1 to 6, comprising: the instrument nipple 1 and install first sensor and the second sensor on instrument nipple 1, first sensor and second sensor are arranged along instrument nipple 1's circumference. The first sensor and the second sensor are arranged close to a first end of the instrument nipple 1 in the axial direction.
The instrument nipple 1 comprises an instrument matrix 2 and a sensor mounting section 3 arranged at the tail end of the instrument nipple 1; the sensor mounting section 3 is provided with a plurality of mounting grooves 32 along the circumferential direction, and the first sensor and the second sensor are both mounted in the mounting grooves 32; a first connection hole 31 for passing a wire is provided between the adjacent mounting grooves 32.
On the sensor mounting section 3, a plurality of mounting grooves 32 are provided along the circumferential direction, and a plurality of sensors can be respectively mounted in the plurality of mounting grooves 32 to avoid the condition that the plurality of sensors are respectively mounted on different instrument nipple pieces 1 to make instrument string length longer, a plurality of sensors are mounted in parallel in the plurality of mounting grooves 32, thereby greatly shortening the length of the instrument nipple pieces 1 for measurement work. In practical application, in the prior art, a gamma measurement sensor 6 is arranged on a first instrument nipple, a resistivity sensor is arranged on a second instrument nipple, and the sum of the lengths of the two instrument nipples is more than 6m; but in practical application, the logging while drilling instrument provided by the embodiment of the application is provided with the gamma measurement sensor 6 and the resistivity sensor which are both installed at the sensor installation section 3, and the length of the instrument nipple 1 is about 3m, so that the length of the instrument nipple 1 for measurement is greatly shortened.
The mounting groove 32 is directly formed on the circumferential outer surface of the sensor mounting section 3, and the sensor can be directly mounted in the mounting groove 32 in the radial direction. First connection holes 31 are provided between the adjacent mounting grooves 32, and connection lines between the sensors can be electrically connected through the first connection holes 31.
It should be understood that in addition to the sensor mounting section 3, the instrument base 2 may also be provided with sensors as desired.
In an exemplary embodiment, as shown in fig. 6, the number of the mounting grooves 32 is 4, and the 4 mounting grooves 32 are uniformly distributed in the circumferential direction; the sensor includes a first sensor mounted in two opposing mounting slots 32 and a second sensor; the remaining two mounting grooves 32 are respectively provided with a control circuit 7 and a second sensor. The first sensor is a gamma measurement sensor 6 and the second sensor is an azimuth measurement sensor 5. In fig. 6, reference numerals 5, 6, 7 denote mounting grooves 32 in which the orientation measurement sensor 5, the gamma measurement sensor 6, and the control circuit 7 are located; reference numerals 5, 6, 7 in fig. 3 and 5 are the same.
The gamma measurement sensor 6 may include two gamma tubes mounted in two opposite mounting slots 32, respectively, to measure formation gamma information in a 180 deg. orientation. The control circuit 7 is electrically connected to the gamma measurement sensor 6 and the azimuth measurement sensor 5, respectively. The azimuth measuring sensor 5 measures azimuth information of the formation for simple boundary recognition.
The 4 mounting grooves 32 are axially the same distance from the upper box end face (i.e., the upper ends of the 4 mounting grooves 32 are axially flush).
It should be appreciated that the mounting slots 32 may also be other numbers, such as: 5 to accommodate more sensors, as this application is not limited in this regard.
In an exemplary embodiment, as shown in fig. 3 and 4, the instrument nipple 1 is provided with a tuning cover plate slot 21 and a main control plate slot 23, and the connection line between the tuning cover plate slot 21 and the main control plate slot 23 and the central axis of the instrument nipple 1 has a projection angle α (i.e., an axial interval and a circumferential interval are arranged between the tuning cover plate slot 21 and the main control plate slot 23) on the cross section; the instrument nipple 1 is provided with a second connecting hole 22 for communicating the tuning cover plate groove 21 and the main control plate groove 23.
The tuning cover plate groove 21 and the main control plate groove 23 are not positioned on the same straight line in the axial direction, but have a certain included angle in the circumferential direction, namely alpha; the distance between the tuning cover plate groove 21 and the main control plate groove 23 in the axial direction is more than 1000mm, and the tuning cover plate groove 21 and the main control plate groove 23 are communicated through the second connecting hole 22 so as to facilitate the passing of connecting wires.
In actual use, the value of α is typically 90 ° to 105 °.
In an exemplary embodiment, as shown in fig. 4, the tuning cover slot 21 is near the front end of the instrument nipple 1; the second connecting hole 22 penetrates through the end face of the front end of the instrument nipple 1 to the position of the main control board groove 23; the tuning cover plate groove 21 is provided with a radial hole communicated with the second connecting hole 22.
The second connecting hole 22 is a space hole, and in the processing process, the processing is started from the end face of the front end of the instrument nipple 1, and the instrument nipple directly penetrates to the position of the main control board groove 23. That is, the second connection hole 22 is not parallel to the central axis of the instrument nipple 1.
The tuning cover plate groove 21 is provided with a radial hole which is communicated with the second connecting hole 22, namely, the tuning cover plate groove 21 and the main control plate groove 23 are communicated through a radial hole and a second connecting hole 22 part positioned at the rear end of the radial hole.
In an exemplary embodiment, the portion of the second connecting bore 22 at the forward end of the radial bore is provided with a sealing plug.
The portion of the second connecting hole 22 located at the front end of the radial hole does not play a role in communication, and the portion is plugged by providing a sealing plug, that is, the front end portion of the second connecting hole 22 is plugged, so that mud and the like are prevented from entering the second connecting hole 22.
The radial holes and the second connecting holes 22 are arranged, so that the assembly and the plugging are convenient, the processing is relatively simple, a butt welding process is not required, and the difficulty in communicating the tuning cover plate groove 21 with the main control plate groove 23 is reduced.
In an exemplary embodiment, the sensor further comprises a third sensor mounted on the instrument nipple 1, and the third sensor is arranged near the second end of the instrument nipple 1 in the axial direction. The third sensor is a resistivity sensor. The resistivity sensor includes 4 resistivity transmitting sensors 41 and 2 resistivity receiving sensors 42 as shown in fig. 1 to 3.
And a resistivity sensor is arranged on the instrument nipple 1, and the resistivity sensor is four-transmission double-reception type.
In an exemplary embodiment, as shown in fig. 3, two resistivity emission sensors 41 located at one side of the two resistivity receiving sensors 42 near the second end of the instrument nipple 1 are provided, the tuning cover slot 21 is disposed between the two resistivity emission sensors 41 near the second end of the instrument nipple 1, and the two resistivity emission sensors 41 are electrically connected with the emission main control board in the main control board slot 23 through the tuning cover slot 21 and the second connection hole 22; the two resistivity transmitting sensors 41 located at one side of the two resistivity receiving sensors 42, which is close to the first end of the instrument nipple 1, are provided, and the two resistivity transmitting sensors 41 are electrically connected with the transmitting main control board in the main control board slot 23 through the third connecting hole.
Two sides of the tuning cover plate groove 21 are respectively provided with a resistivity emission sensor 41, and the two resistivity sensors are electrically connected with an emission main control board in the main control board groove 23 through the tuning cover plate groove 21 and the second connecting hole 22; the main control board groove 23 is provided with two remaining resistivity emission sensors 41 on a side away from the tuning cover board groove 21, and the two resistivity emission sensors 41 are electrically connected with an emission main control board in the main control board groove 23 through a third connecting hole. Two resistivity receiving sensors 42 are provided between the tuning cover plate slot 21 and the main control plate slot 23.
Two of the four resistivity emission sensors 41 are positioned at two sides of the tuning cover plate groove 21 and are electrically connected with an emission main control board in the main control board groove 23 through second connecting holes 22; the other two resistivity emission sensors 41 are located on one side of the main control board slot 23 away from the tuning cover board slot 21 and are electrically connected with the emission main control board in the main control board slot 23 through a third connecting hole. The third connecting hole may be a conventional axial hole.
The two resistivity receiving sensors 42 are electrically connected with a receiving main control board at corresponding positions on the instrument nipple 1.
According to the logging while drilling instrument provided by the embodiment of the application, the plurality of sensors are parallelly arranged in the mounting groove 32 of the sensor mounting section 3, so that the length of the instrument nipple 1 where the plurality of sensors (of a plurality of types) are arranged is prevented from being overlapped in the axial direction, the length of the logging while drilling instrument can be effectively shortened under the conditions of gamma measurement, azimuth information measurement and resistivity measurement, and adverse effects on logging due to overlong integral length of instrument strings are avoided. The 4 mounting grooves 32 are spatially communicated through the 4-section first connecting holes 31 to realize wiring, and each connecting hole is communicated with the 2 mounting grooves 32, so that the integrated design of resistivity measurement, gamma measurement and azimuth information measurement is realized.
In the description of the present application, it should be noted that the directions or positional relationships indicated by "upper", "lower", "one end", "one side", etc. are based on the directions or positional relationships shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the structure referred to has a specific direction, is configured and operated in a specific direction, and therefore, should not be construed as limiting the present application.
In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "connected," "assembled," and "mounted" are to be construed broadly, and for example, the term "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The embodiments described herein are intended to be illustrative and not limiting, and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or in place of any other feature or element of any other embodiment unless specifically limited.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique solution as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other claims to form another unique claim as defined in the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not to be restricted except in light of the attached claims and their equivalents. Further, various modifications and changes may be made within the scope of the appended claims.
Claims (7)
1. A logging-while-drilling instrument, comprising: an instrument nipple, and a first sensor and a second sensor mounted on the instrument nipple, the first sensor and the second sensor being arranged along a circumferential direction of the instrument nipple; the first sensor is a gamma measurement sensor, and the second sensor is an azimuth measurement sensor;
four mounting grooves which are uniformly distributed along the circumferential direction are formed in the instrument nipple, the gamma measurement sensor comprises a first gamma tube and a second gamma tube, the first gamma tube and the second gamma tube are mounted to two opposite mounting grooves, one of the other two opposite mounting grooves is provided with the azimuth measurement sensor, the other one is provided with the control circuit board, and the first gamma tube, the second gamma tube and the azimuth measurement sensor are electrically connected to the control circuit board through leads;
and a first connecting hole for conducting wire routing is arranged between the adjacent mounting grooves.
2. The logging-while-drilling instrument of claim 1, wherein the first sensor and the second sensor are disposed proximate a first end of the instrument nipple in an axial direction;
the logging while drilling instrument further comprises a third sensor disposed proximate the second end of the instrument nipple in the axial direction.
3. The logging while drilling instrument of claim 2, wherein the third sensor is a resistivity sensor comprising two resistivity receiving sensors, at least one resistivity transmitting sensor disposed on one side of the two resistivity receiving sensors, and at least one resistivity transmitting sensor disposed on the other side of the two resistivity receiving sensors.
4. A logging while drilling instrument according to claim 3, wherein the instrument nipple is provided with a tuning cover plate slot and a main control plate slot, the tuning cover plate slot and the main control plate slot having an axial spacing and a circumferential spacing therebetween;
the instrument nipple is provided with a second connecting hole for communicating the tuning cover plate groove and the main control plate groove.
5. The logging while drilling instrument of claim 4, wherein the tuning cover slot is proximate to the second end of the instrument nipple, the second connection hole extending through the second end of the instrument nipple
The end face is plugged by a sealing plug, and a radial hole communicated with the second connecting hole is formed in the tuning cover plate groove.
6. The logging while drilling instrument of claim 5, wherein two of the resistivity transmitting sensors located on a side of the two resistivity receiving sensors proximate the second end of the instrument nipple are provided, the tuning cover slot being disposed between the two resistivity transmitting sensors proximate the second end of the instrument nipple, the two resistivity transmitting sensors being electrically connected to a transmitting master board in the master board slot through the tuning cover slot, the second connection hole;
the resistivity transmitting sensors positioned on one sides of the two resistivity receiving sensors, which are close to the first end of the instrument nipple, are provided with two resistivity transmitting sensors, and the two resistivity transmitting sensors are electrically connected with a transmitting main control board in the main control board groove through a third connecting hole.
7. The logging while drilling instrument of claim 4, wherein two of the resistivity receiving sensors are disposed between the tuning cover plate slot and the main control plate slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796460.XA CN113530530B (en) | 2021-07-14 | 2021-07-14 | Logging while drilling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796460.XA CN113530530B (en) | 2021-07-14 | 2021-07-14 | Logging while drilling instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113530530A CN113530530A (en) | 2021-10-22 |
| CN113530530B true CN113530530B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110796460.XA Active CN113530530B (en) | 2021-07-14 | 2021-07-14 | Logging while drilling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113530530B (en) |
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| CN1676874A (en) * | 2005-04-14 | 2005-10-05 | 中国石化集团胜利石油管理局钻井工艺研究院 | Well deflection and position gamma measuring nistrument during drilling |
| CN2791245Y (en) * | 2003-10-21 | 2006-06-28 | 辽河石油勘探局 | Well-drilling underground mechanical parameter logging instrument while drilling |
| CN204851239U (en) * | 2015-07-16 | 2015-12-09 | 北京六合伟业科技股份有限公司 | Position gamma well logging device |
| CN107313768A (en) * | 2017-07-07 | 2017-11-03 | 贝兹维仪器(苏州)有限公司 | A kind of nearly bit measuring instrument with gamma survey function |
| CN108756864A (en) * | 2018-04-27 | 2018-11-06 | 中国石油天然气集团有限公司 | A kind of orientation electromagnetic resistivity imaging logging while drilling apparatus |
| CN111322063A (en) * | 2020-03-23 | 2020-06-23 | 中国石油天然气集团有限公司 | Deep detection logging-while-drilling instrument |
| CN111852444A (en) * | 2020-06-11 | 2020-10-30 | 中国海洋石油集团有限公司 | Lower short section for measurement while drilling near drill bit and measurement while drilling near drill bit measuring device |
| CN112483070A (en) * | 2020-12-14 | 2021-03-12 | 奥瑞拓能源科技股份有限公司 | Nearly drill bit position gamma instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2996693C (en) * | 2015-10-02 | 2021-07-27 | Halliburton Energy Services, Inc. | Logging-while-drilling tool with interleaved instruments |
-
2021
- 2021-07-14 CN CN202110796460.XA patent/CN113530530B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791245Y (en) * | 2003-10-21 | 2006-06-28 | 辽河石油勘探局 | Well-drilling underground mechanical parameter logging instrument while drilling |
| CN1676874A (en) * | 2005-04-14 | 2005-10-05 | 中国石化集团胜利石油管理局钻井工艺研究院 | Well deflection and position gamma measuring nistrument during drilling |
| CN204851239U (en) * | 2015-07-16 | 2015-12-09 | 北京六合伟业科技股份有限公司 | Position gamma well logging device |
| CN107313768A (en) * | 2017-07-07 | 2017-11-03 | 贝兹维仪器(苏州)有限公司 | A kind of nearly bit measuring instrument with gamma survey function |
| CN108756864A (en) * | 2018-04-27 | 2018-11-06 | 中国石油天然气集团有限公司 | A kind of orientation electromagnetic resistivity imaging logging while drilling apparatus |
| CN111322063A (en) * | 2020-03-23 | 2020-06-23 | 中国石油天然气集团有限公司 | Deep detection logging-while-drilling instrument |
| CN111852444A (en) * | 2020-06-11 | 2020-10-30 | 中国海洋石油集团有限公司 | Lower short section for measurement while drilling near drill bit and measurement while drilling near drill bit measuring device |
| CN112483070A (en) * | 2020-12-14 | 2021-03-12 | 奥瑞拓能源科技股份有限公司 | Nearly drill bit position gamma instrument |
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| Publication number | Publication date |
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| CN113530530A (en) | 2021-10-22 |
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