CN203476317U - Rotary drilling real-time trajectory measurement device while drilling - Google Patents

Abstract

The utility model discloses a real-time track-while-drilling measuring device for rotary drilling, which comprises a drilling rig, a drill pipe, a drill bit, a probe, an explosion-proof computer, and a sealed signal line arranged in the drill pipe; Measuring device for inclination and azimuth; the measuring device transmits the acquired signal to the explosion-proof computer at the hole through the sealed signal line; the explosion-proof computer is used to receive and process the signal data and display the actual drilling trajectory of the drill bit. The device provided by the utility model has little influence on the drilling progress, and the overall use is simple, convenient, fast and accurate. It can adapt to the trajectory measurement of ordinary rotary drilling rigs and has broad market application prospects.

Description

Rotary drilling real-time trajectory measurement device while drilling

technical field

The utility model relates to the field of coal mine equipment, in particular to a real-time track-while-drilling measuring device for rotary drilling in coal mines.

Background technique

With the development of comprehensive mechanized coal mining technology in coal mines in my country, the requirements for mine safety production on construction equipment and technologies such as underground exploration holes, water discharge holes, and gas drainage holes are also continuously increasing. At the same time, it is necessary to be able to accurately measure the drilling trajectory. As a new drilling trajectory measurement method, measurement-while-drilling technology has become an urgent need for high-yield and high-efficiency coal mine drilling construction due to its real-time and strong adaptability. technical means. However, the existing coal mine cannot measure the rotary drilling trajectory in real time while drilling. Therefore, it is necessary to provide a real-time trajectory measurement-while-drilling device for rotary drilling.

Utility model content

In view of this, the technical problem to be solved by this utility model is to provide a real-time track-while-drilling measuring device for rotary drilling. Drill pipe, convenient, fast, flexible, and accurate real-time tracking and monitoring of the drilling trajectory.

The purpose of the utility model is to propose a rotary drilling real-time trajectory measurement device while drilling.

The purpose of this utility model is achieved through the following technical solutions:

The utility model provides a rotary drilling real-time trajectory measurement device while drilling, including a drill pipe, a drill bit, an explosion-proof computer, a probe tube arranged in the drill pipe, and a sealed signal line arranged in the drill pipe;

A measuring device for obtaining the inclination angle and azimuth angle of the drill bit position is arranged in the probe tube;

The measuring device transmits the acquired signal to the explosion-proof computer located outside the borehole through the sealed signal line;

The explosion-proof computer is used for receiving and processing signal data and displaying the actual drilling trajectory of the drill bit.

Further, the sealed signal line is relatively fixedly arranged in the drill pipe through the fixer.

Further, the drill rod includes a common drill rod, a first non-magnetic drilling tool and a second non-magnetic drilling tool;

One end of the first nonmagnetic drilling tool is connected to an ordinary drill pipe, the other end of the first nonmagnetic drilling tool is connected to one end of a second nonmagnetic drilling tool, and the other end of the second nonmagnetic drilling tool is connected to a drill bit, The other end of the ordinary drill rod is located at the hole; the probe tube is arranged in the second non-magnetic drilling tool;

Further, the measuring device includes a sensor magnetometer and an accelerometer;

The sensor magnetometer is used to obtain the azimuth of the drill bit position;

The accelerometer is used to obtain the inclination angle of the drill bit position.

Further, the sealed signal line includes a copper core, a protective core tube, a first sealed joint and a second sealed joint;

The copper core is arranged inside the protective core tube, one end of the protective core tube is connected with the first sealing joint provided with an outward convex part, and the other end of the protective core tube is connected with the first sealing joint provided with an inward concave part. The two sealing joints are connected, the convex part of the first sealing joint cooperates with the concave part of the second sealing joint to form a concave-convex joint, and the copper core is respectively connected with the convex part of the first sealing joint and the concave part of the second sealing joint connect.

Further, the first sealing joint and the second sealing joint are integrally plastic-sealed with military-grade waterproof joints, the protective core tube is connected with the first sealing joint and the second sealing joint through threads, and the convex joint of the first sealing joint The rising part is provided with external threads, and the recessed part of the second sealing joint is provided with internal threads.

The utility model has the advantages that: the rotary drilling real-time trajectory measuring device while drilling provided by the utility model adopts a detachable sealed signal line, collects the position status data of the drill bit through the sensor magnetometer and the accelerometer, and passes the explosion-proof The computer receives and processes the signal data, and then displays the actual drilling trajectory of the drill bit. The device has little influence on the drilling progress, and the overall use is simple, convenient, fast and accurate. It can adapt to the trajectory measurement of ordinary rotary drilling rigs and has broad market application prospects.

The sealed signal line used is made of military-grade waterproof connectors integrally plastic-sealed, and the sealed signal lines are connected by threads, with high reliability, long service life, and easy disassembly and assembly. It can also be combined arbitrarily according to the drilling depth, as long as it matches the length of ordinary drill pipes.

Description of drawings

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is a schematic diagram of a measuring device of the present utility model;

Fig. 2 is a structural diagram of the special signal line of the utility model.

In the figure, ordinary drill pipe-1, first non-magnetic drilling tool-2, second non-magnetic drilling tool-3, drill bit-4, probe tube-5, explosion-proof computer-6, sealed signal line-7, copper core- 71. Protective core pipe-72, first sealing joint-73, second sealing joint-74, third non-magnetic drilling tool-8.

Detailed ways

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present utility model, rather than limiting the protection scope of the present utility model.

Fig. 1 is a schematic diagram of a measuring device of the present utility model, and Fig. 2 is a structural diagram of a special signal line of the present utility model, as shown in the figure: the rotary drilling real-time trajectory measuring device while drilling provided by the utility model includes a drill rod, a drill bit 4, The probe tube 5 arranged in the drill pipe, the explosion-proof computer 6 and the sealed signal line 7 arranged in the drill pipe; in this embodiment, a drilling machine may also be included, and the drilling machine, the drill pipe and the drill bit constitute a rotary drilling device.

A measuring device for obtaining the inclination angle and the azimuth angle of the position of the drill bit 4 is arranged in the probe tube 5;

The measuring device transmits the acquired signal to the explosion-proof computer 6 located outside the borehole through the sealed signal line 7;

The explosion-proof computer 6 is used for receiving and processing signal data and displaying the actual drilling trajectory of the drill bit.

The sealed signal line 7 is relatively fixedly arranged in the drill pipe through the fixer.

The drill rod includes a common drill rod 1, a first non-magnetic drilling tool 2 and a second non-magnetic drilling tool 3;

One end of the first non-magnetic drilling tool 2 is connected to an ordinary drill rod, the other end of the first non-magnetic drilling tool 2 is connected to one end of the second non-magnetic drilling tool 3, and the other end of the second non-magnetic drilling tool 3 Connected with the drill bit, the other end of the ordinary drill rod is located at the hole; the probe tube is arranged in the second non-magnetic drilling tool 3;

In this embodiment, a third non-magnetic drilling tool 8 is also provided, and the third non-magnetic drilling tool 8 is arranged between the second non-magnetic drilling tool 3 and the drill bit 4 .

The measuring device comprises a sensor magnetometer and an accelerometer arranged at one end of the probe;

The sensor magnetometer is used to obtain the azimuth of the drill bit position;

The accelerometer is used to obtain the inclination angle of the drill bit position.

The sealed signal line includes a copper core 71, a protective core tube 72, a first sealing joint 73 and a second sealing joint 74; the copper core 71 is arranged inside the protective core tube 72, and one end of the protective core tube 72 is provided with a The first sealing joint 73 with an outward convex part is connected, and the other end of the protective core tube is connected with the second sealing joint 74 with an inward concave part, and the convex part of the first sealing joint is connected with the second sealing joint. The recessed part of the sealing joint cooperates to form a concave-convex joint, and the copper core is respectively connected with the convex part of the first sealing joint and the recessed part of the second sealing joint.

The first sealing joint and the second sealing joint are integrally plastic-sealed with military-grade waterproof joints. The protective core tube is connected with the first sealing joint and the second sealing joint through threads. The raised part of the first sealing joint An external thread is provided, and the concave part of the second sealing joint is provided with an internal thread.

The utility model provides a rotary drilling real-time trajectory measurement device while drilling, which can use the following methods to realize the measurement, and the specific process includes the following steps:

S1: fix the sealed signal line in the drill pipe;

S2: Collect the position status data of the drill bit;

S3: Transmit the position status data of the drill bit to the explosion-proof computer at the hole through the sealed signal line;

S4: Receive and process the position status data of the drill bit through the explosion-proof computer and display the actual drilling trajectory of the drill bit.

In the step S1, the sealing signal line is fixed in the drill pipe through the cooperative connection between the convex part of the first sealing joint and the concave part of the second sealing joint.

The acquisition of the position status data of the drill bit in the step S2 is performed through the sensor magnetometer and accelerometer.

The sealed signal line includes a copper core, a protective core tube, a first sealed joint and a second sealed joint;

The copper core is arranged inside the protective core tube, one end of the protective core tube is connected with the first sealing joint provided with an outward convex part, and the other end of the protective core tube is connected with the first sealing joint provided with an inward concave part. The two sealing joints are connected, the convex part of the first sealing joint cooperates with the concave part of the second sealing joint to form a concave-convex joint, and the copper core is respectively connected with the convex part of the first sealing joint and the concave part of the second sealing joint connection; the first sealing joint and the second sealing joint are integrally plastic-sealed with military-grade waterproof joints, the protective core tube is connected with the first sealing joint and the second sealing joint through threads, The rising part is provided with external threads, and the recessed part of the second sealing joint is provided with internal threads.

The sealed signal line provided in this embodiment can be connected in series by several sections to form a signal line suitable for the actual situation, and the convex part of one line can be connected with the concave part of the other line through screw connection or snap-fit connection. The operation is simple, the use is convenient, and the interference of the signal transmission is small, and the transmission efficiency is high.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (6)

1. Rotary drilling real-time track measurement while drilling device, comprises drilling rod and drill bit, it is characterized in that: also comprise anti-explosion computer, be arranged at the inserting tube in drilling rod and be arranged at the sealing signal line in drilling rod; In described inserting tube, be provided with for obtaining inclination angle and azimuthal measurement mechanism of bit location; Described measurement mechanism transfers to by sealing signal line the signal obtaining the anti-explosion computer being positioned at outside boring by signal data; Described anti-explosion computer is for receiving and processing signals data and the actual drilling track that shows drill bit.

2. Rotary drilling real-time track measurement while drilling device according to claim 1, is characterized in that: described sealing signal line is fixedly installed in drilling rod relatively by fixator.

3. Rotary drilling real-time track measurement while drilling device according to claim 1, is characterized in that: described drilling rod comprises common drilling rod, the first non-magnetic drilling tool and the second non-magnetic drilling tool; Described first non-magnetic drilling tool one end is connected with common drilling rod, and the described first non-magnetic drilling tool other end is connected with second non-magnetic drilling tool one end, and the other end of described the second non-magnetic drilling tool is connected with drill bit, and the other end of described common drilling rod is positioned at aperture; Described inserting tube is arranged in the second non-magnetic drilling tool.

4. Rotary drilling real-time track measurement while drilling device according to claim 1, is characterized in that: described measurement mechanism comprises sensor magnetometer and accelerometer; Described sensor magnetometer, for obtaining the azimuth of bit location; Described accelerometer, for obtaining the inclination angle of bit location.

5. Rotary drilling real-time track measurement while drilling device according to claim 1, is characterized in that: described sealing signal line comprises copper core, retaining core pipe, the first seal nipple and the second seal nipple; Described copper core is arranged at retaining core pipe inside, described retaining core pipe one end is connected with the first seal nipple being provided with outwardly convex portion, the described retaining core pipe other end be provided with cave inward the second seal nipple of portion of band and be connected, the lug boss of described the first seal nipple coordinates the concavo-convex joint of formation with the depressed part of the second seal nipple, described copper core is connected with the depressed part of the second seal nipple with the lug boss of the first seal nipple respectively.

6. Rotary drilling real-time track measurement while drilling device according to claim 5, it is characterized in that: described the first seal nipple, the second seal nipple adopt the whole plastic packaging of army's grade water joint to form, described retaining core pipe and the first seal nipple, the second seal nipple are threaded connection, the lug boss of described the first seal nipple is provided with external screw thread, and the depressed part of described the second seal nipple is provided with internal thread.

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