Battery activation line of MWD (Measurement While Drilling) instrument of rotary guide tool

Abstract

The utility model discloses a battery activation line of an MWD instrument of a rotary guide tool. The battery activation line comprises a first connecting lead; a second connecting wire; one end of the first joint is electrically connected with the first ends of the first connecting wire and the second connecting wire, and the other end can be electrically connected with the test box; one end of the second connector is electrically connected with the second end of the first connecting wire, and the other end of the second connector can be electrically connected with a battery of the MWD instrument; one end of the third connector is electrically connected with the second end of the second connecting wire, and the other end of the third connector can be connected with a battery of the MWD instrument. According to the battery activation line of the MWD instrument of the rotary guide tool, the battery of the MWD instrument can be directly connected with a test box before the battery is installed in the MWD instrument, operation such as voltage measurement and battery activation can be rapidly carried out, the battery does not need to be installed in a battery cylinder of the MWD instrument firstly, convenience and rapidness are achieved, and efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary guide tools, in particular to a battery activation line of an MWD instrument of a rotary guide tool. Background Art

[0002] The MWD (Measurement While Drilling) instrument in the RSS (Rotary Steerable System) is an advanced device that measures and transmits downhole data in real time during the drilling process.

[0003] MWD instruments require batteries to provide power for inclinometer measurements. Before using the batteries on site, they must be activated and their voltage measured on the ground to restore their performance before being lowered into the well.

[0004] The inventors of this application discovered at least the following technical problems in the prior art during the process of developing a battery activation cable for an MWD instrument of a rotary guide tool according to an embodiment of the present utility model:

[0005] The traditional battery activation method requires first installing the battery into the battery barrel of the MWD instrument and then connecting it to the test box before performing subsequent voltage measurement, battery activation and other operations. The overall process is cumbersome and inefficient.

[0006] In summary, the battery activation process of existing MWD instruments is cumbersome and inefficient. Utility Model Content

[0007] The embodiment of the utility model provides a battery activation line for an MWD instrument of a rotary guide tool, which solves the problem that the battery activation process of the existing MWD instrument is complicated and inefficient.

[0008] The present invention provides a battery activation cable for an MWD instrument of a rotary guide tool, comprising:

[0009] a first connecting wire;

[0010] a second connecting wire;

[0011] a first connector, one end of which is electrically connected to the first end of the first connecting wire and the first end of the second connecting wire, and the other end of which is electrically connected to the test box;

[0012] a second connector, one end of which is electrically connected to the second end of the first connecting wire and the other end of which is electrically connected to a battery of the MWD instrument;

[0013] a third connector, one end of which is electrically connected to the second end of the second connecting wire and the other end of which is connectable to a battery of the MWD instrument;

[0014] During use, by electrically connecting the first connector to the test box, the second connector and the third connector to the battery of the MWD instrument, and then electrically connecting the test box and the battery of the MWD instrument together, it is convenient to realize the subsequent voltage measurement and battery activation operation of the battery of the MWD instrument.

[0015] Optionally, the first connector is an aviation plug.

[0016] Optionally, the second connector is a 9-pin female connector.

[0017] Optionally, the third connector is a 9-pin female connector.

[0018] Optionally, the battery activation line further includes:

[0019] a first braided tube, sleeved on the first connecting wire;

[0020] The second braided tube is sleeved on the second connecting wire.

[0021] Optionally, the battery activation line further includes:

[0022] The thermoplastic tube is glued to the connection between the first braided tube and the first joint, the connection between the second braided tube and the first joint, the connection between the first braided tube and the second joint, and the connection between the second braided tube and the third joint.

[0023] Optionally, the length of the first braided tube or the second braided tube is shorter than the length of the first connecting wire or the second connecting wire.

[0024] Optionally, a length difference between the first connecting wire or the second connecting wire and the first braided tube or the second braided tube is 2 cm.

[0025] One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:

[0026] By using the battery activation cable of the MWD instrument of the rotary guide tool of the utility model, the battery of the MWD instrument can be directly connected to the test box before the battery is installed in the MWD instrument, so as to quickly measure the voltage and activate the battery without having to first install the battery in the battery tube of the MWD instrument. This is convenient and fast and can effectively improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a circuit diagram of a battery activation line for an MWD instrument of a rotary guide tool in one embodiment of the present invention. DETAILED DESCRIPTION

[0028] The embodiment of the utility model provides a battery activation line for an MWD instrument of a rotary guide tool, which solves the problem that the battery activation process of the existing MWD instrument is complicated and inefficient.

[0029] To better understand the battery activation cable for the MWD instrument of the aforementioned rotary guide tool, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. Obviously, the embodiments described herein are only a subset of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments herein without inventive effort are also within the scope of protection of this utility model.

[0030] Please refer to the following Figure 1 , a battery activation line of an MWD instrument of a rotary guide tool in an embodiment of the present utility model is described in detail.

[0031] (1) Structure of battery activation line

[0032] A battery activation cable for an MWD instrument of a rotary guide tool according to an embodiment of the present invention includes a first connector 10 , a second connector 20 , a third connector 30 , a first connecting wire 40 and a second connecting wire 50 .

[0033] The first connecting wire 40 is used to electrically connect the first connector 10 and the second connector 20. Specifically, the first connecting wire 40 is a high-temperature resistant wire.

[0034] The second connecting wire 50 is used to electrically connect the first connector 10 and the third connector 30. Specifically, the second connecting wire 50 is a high temperature resistant wire.

[0035] One end of the first connector 10 is electrically connected to the first end of the first connecting wire 40 and the first end of the second connecting wire 50, and the other end can be electrically connected to the test box. Specifically, the first connector 10 is an aviation plug, which includes an H pin, an A pin, a B pin, a G pin, a K pin, a J pin, a C pin, a F pin, an E pin, and a D pin.

[0036] One end of the second connector 20 is electrically connected to the second end of the first connecting wire 40, and the other end can be electrically connected to the battery of the MWD instrument. Specifically, the second connector 20 is a 9-pin female connector, which includes pins 1, 2, 3, 4, 5, 6, 7, 8, and 9.

[0037] One end of the third connector 30 is electrically connected to the second end of the second connecting wire 50, and the other end can be connected to the battery of the MWD instrument. Specifically, the third connector 30 is a 9-pin female connector, which includes pins 1, 2, 3, 4, 5, 6, 7, 8, and 9.

[0038] When the first connector 10 is an aviation plug, the second connector 20 is a 9-pin female connector, and the third connector 30 is a 9-pin female connector, the connection relationship is specifically as follows: the C pin of the first connector 10 is electrically connected to the 2nd pin of the second connector 20, and the A pin of the first connector 10 is electrically connected to the 5th pin of the second connector 20, forming a closed loop between the first connector 10 and the second connector 20; the B pin of the first connector 10 is electrically connected to the 2nd pin of the third connector 30, and the A pin of the first connector 10 is electrically connected to the 5th pin of the third connector 20, forming a closed loop between the first connector 10 and the third connector 30.

[0039] To protect the first and second connecting wires and extend their service life, the battery activation cable also includes a first braided tube and a second braided tube. The first braided tube is sleeved over the first connecting wire 40, and the second braided tube is sleeved over the second connecting wire 50. The first and second braided tubes protect the first and second connecting wires from wear and tear. The first and second braided tubes are white.

[0040] To ensure the wire has tensile strength, the battery activation cable also includes a thermoplastic tube that is glued to the connection between the first braided tube and the first connector 10 , the connection between the second braided tube and the first connector 10 , the connection between the first braided tube and the second connector 20 , and the connection between the second braided tube and the third connector 30 .

[0041] The length of the first braided tube or the second braided tube is shorter than the length of the first connecting wire 40 or the second connecting wire 50 .

[0042] Preferably, the length difference between the first connecting wire 40 or the second connecting wire 50 and the first braided tube or the second braided tube is 2 cm. Of course, in practical applications, other length differences can be selected according to specific circumstances, such as 1.5 cm, 2.5 cm, etc., and the present invention is not limited thereto.

[0043] (2) Working principle of battery activation cable

[0044] During use, by electrically connecting the first connector 10 to the test box, and electrically connecting the second connector 20 and the third connector 30 to the battery of the MWD instrument, the test box and the battery of the MWD instrument are electrically connected together, which facilitates subsequent voltage measurement and battery activation operations of the battery of the MWD instrument.

[0045] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A battery activation cable for an MWD instrument of a rotary guide tool, characterized in that: include: A first connecting wire (40); A second connecting wire (50); A first connector (10), one end of which is electrically connected to the first end of the first connecting wire (40) and the first end of the second connecting wire (50), and the other end of which is electrically connected to the test box; A second connector (20), one end of which is electrically connected to the second end of the first connecting wire (40), and the other end of which is electrically connected to a battery of the MWD instrument; A third connector (30), one end of which is electrically connected to the second end of the second connecting wire (50), and the other end of which can be connected to a battery of the MWD instrument; During use, the first connector (10) is electrically connected to the test box, and the second connector (20) and the third connector (30) are electrically connected to the battery of the MWD instrument, thereby electrically connecting the test box and the battery of the MWD instrument together, thereby facilitating subsequent voltage measurement and battery activation operations on the battery of the MWD instrument.

2. The battery activation cable according to claim 1, wherein: The first connector (10) is an aviation plug.

3. The battery activation cable according to claim 1, wherein: The second connector (20) is a 9-pin female connector.

4. The battery activation cable according to claim 1, wherein: The third connector (30) is a 9-pin female connector.

5. The battery activation cable according to claim 1, wherein: The battery activation line also includes: a first braided tube, sleeved on the first connecting wire (40); The second braided tube is sleeved on the second connecting wire (50).

6. The battery activation cable according to claim 5, wherein: The battery activation line also includes: The thermoplastic tube is glued to the connection between the first braided tube and the first joint (10), the connection between the second braided tube and the first joint (10), the connection between the first braided tube and the second joint (20), and the connection between the second braided tube and the third joint (30).

7. The battery activation cable according to claim 5, wherein: The length of the first braided tube or the second braided tube is shorter than the length of the first connecting wire (40) or the second connecting wire (50).

8. The battery activation cable according to claim 7, wherein: The length difference between the first connecting wire (40) or the second connecting wire (50) and the first braided tube or the second braided tube is 2 cm.

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