CN212201901U - Wireless coiled tubing drilling system - Google Patents
Wireless coiled tubing drilling system Download PDFInfo
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- CN212201901U CN212201901U CN202020561350.6U CN202020561350U CN212201901U CN 212201901 U CN212201901 U CN 212201901U CN 202020561350 U CN202020561350 U CN 202020561350U CN 212201901 U CN212201901 U CN 212201901U
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Abstract
The utility model discloses wireless coiled tubing drilling system, be coiled tubing and the new drilling system that combines together of well logging while drilling system (ComLWD), mainly include the coiled tubing instrument, instrument and ground collection system in the pit, the coiled tubing instrument mainly includes coiled tubing and coiled tubing connector, instrument mainly is by pressure control nipple joint in the pit, mechanical circulation nipple joint, mechanical commutator, mud pulser, measurement while drilling instrument, electromagnetic wave resistivity instrument, well slope gamma instrument, drilling performance monitoring instrument, the float valve, the motor is constituteed, ground collection system mainly by the industrial computer, the data acquisition panel, terminal box one, terminal box two, the driller display, riser pressure sensor, the sensor is carried to the hook, depth encoder. The advantages of the coiled tubing and the logging while drilling system are fully exerted, the drilling efficiency is improved, and the drilling cost is reduced. The limited slurry circulation channel of coiled tubing is utilized to the maximize, and the cable use and maintenance cost is removed.
Description
Technical Field
The utility model belongs to the technical field of oil exploration, be applied to oil and drill the well drilling field along with boring.
Background
The existing coiled tubing drilling system tool mainly adopts a mode of penetrating a cable in a coiled tubing to carry out operation service. The mode of threading cable in coiled tubing, because coiled tubing inside mud circulation passageway is limited, the cable has occupied partly space, makes mud circulation passageway diminish, thereby influences the power that mud flow can influence the drill bit. The cables used also require special cables to prevent mud scouring. In addition, the used cable can often have poor insulation, thereby affecting the operation quality and efficiency.
Disclosure of Invention
In order to make up for the practical defects of the coiled tubing through-cable drilling, the wireless coiled tubing drilling system integrates the advantages of both coiled tubing and measurement while drilling (ComLWD) by using a mode of combining the coiled tubing and the measurement while drilling (ComLWD), does not need to pass through the cable, does not occupy a coiled tubing mud circulation channel, solves the insulation problem caused by the fact that a special cable is not needed and the cable is not used, and can measure stratum information such as well deviation, azimuth, resistivity, pressure, GR and the like in real time.
The design scheme of the wireless continuous oil pipe drilling system is as follows:
the wireless continuous oil pipe well drilling system mainly comprises a continuous oil pipe tool, an underground instrument and a ground acquisition system, wherein the continuous oil pipe tool mainly comprises a continuous oil pipe and a continuous oil pipe connector, the underground instrument mainly comprises a pressure control short section, a mechanical circulation short section, a mechanical commutator, a mud pulser, a measurement while drilling tool, an electromagnetic wave resistivity instrument, a well deviation gamma instrument, a well drilling performance monitoring instrument, a floating valve and a motor, the ground acquisition system mainly comprises an industrial personal computer, a data acquisition panel, a first junction box, a second junction box, a driller display, a vertical pipe pressure sensor, a hook load sensor and a depth encoder, wherein the continuous oil pipe is connected with the underground instrument through the continuous oil pipe connector, and the underground instrument is composed of the pressure control short section, the mechanical circulation short section, a mechanical guider, the mud pulser, the measurement while drilling tool, the electromagnetic, The well deviation gamma instrument, the drilling performance monitoring instrument, the float valve and the motor are sequentially connected, the vertical pipe pressure sensor, the depth encoder and the hook load sensor are connected with the data acquisition panel through the first junction box, data uploaded through slurry are uploaded to the industrial personal computer, the driller display is connected with the data acquisition panel through the second junction box, and the data are uploaded to the industrial personal computer.
The coiled tubing is a hollow structure and is used for circulating mud.
The utility model discloses the advantage of system is:
1. the cable cost is saved;
2. the limited slurry circulation channel of the coiled tubing can be utilized to the maximum extent;
3. the cable use and maintenance cost is saved;
4. the drilling track is controlled stably;
5. the operation is simple, and the working efficiency is high.
Drawings
FIG. 1 is a schematic view of a wireless coiled tubing drilling system.
Detailed Description
As shown in fig. 1, the wireless coiled tubing drilling system mainly comprises a coiled tubing tool, a downhole instrument and a ground acquisition system, wherein the coiled tubing tool mainly comprises a coiled tubing 101 and a coiled tubing connector 1, and the downhole instrument mainly comprises a pressure control short section 2, a mechanical circulation short section 3, a mechanical commutator 4, a mud pulser 5, a measurement while drilling tool 6, an electromagnetic wave resistivity instrument 7, a well deviation gamma instrument 8, a drilling performance monitoring instrument 9, a float valve 10 and a motor 11 from top to bottom. The ground acquisition system mainly comprises an industrial personal computer 12, a data acquisition panel 13, a first junction box 19, a second junction box 14, a driller display 15, a riser pressure sensor 16, a hooking sensor 17 and a depth encoder 18, wherein the continuous oil pipe connector 1 is connected with a continuous oil pipe 101 and an underground instrument, the pressure control short section 2 is connected with the continuous oil pipe connector 1 and the underground instrument, the mechanical circulation short section 3 realizes that a bypass underground tool carries out mud circulation, the mechanical commutator 4 realizes the drilling track adjustment of a tool string under manual control, and the mud pulser 5 generates mud pulses under the control of the measurement while drilling tool 6 and transmits engineering data and formation measurement data. The measurement while drilling tool 6 controls the work of the underground instrument, collects engineering parameters such as well deviation, azimuth, tool face angle, pressure and the like and resistivity, stratum parameters such as gamma and the like are coded and then control the mud pulser 5 to be transmitted to the ground in real time, a vertical pipe pressure sensor 16, a depth code 18 and a hook load sensor 17 transmit mud pulse signals to a data acquisition panel 13 through a first junction box 19, measured underground data are transmitted to an industrial personal computer 12, a driller display 15 is connected with the data acquisition panel 13 through a second junction box 14, the data are transmitted to the industrial personal computer 12, an electromagnetic wave resistivity instrument 7 measures stratum resistivity data in real time, a well inclination gamma instrument 8 measures stratum gamma radioactivity data in real time, a drilling performance monitoring instrument 9 measures annular space and water hole pressure in real time, and the engineering and stratum measurement data are transmitted to a measurement while drilling tool 6 and transmitted to the ground. The float valve 10 check valve prevents mud from flowing back into the drilling tool and coiled tubing when circulation is stopped and the drill is tripped. The motor 11 is located at the lower part of the drilling tool and converts the kinetic energy of the slurry into mechanical energy which drives the drill bit to rotate, and the drill bit cuts the stratum, so that the drilling tool drills into the stratum.
The underground drilling instrument of the coiled tubing logging system is connected well on a well platform, the ground system is used for uploading content, and the well mouth is subjected to shallow layer testing after the underground drilling instrument is set so as to test whether the drilling system can normally work. After the test is finished, the instrument enters the well to reach the designated depth, mud is circulated, and the working state of the instrument is tested. The bottommost drill bit rotates to cut the well wall and drive the instrument to drill integrally, meanwhile, the measuring instrument uploads various measured data to the ground, ground operators control the drilling track according to the uploaded data, and a reverser is used for angle adjustment when the drilling track needs to be adjusted, so that the drilling track is changed.
The functions of each main part of the ground acquisition system are as follows:
an industrial personal computer 12: and recording and processing the logging data and processing the data after logging.
The data acquisition section 13: and collecting data of each sensor and sending the data to an industrial personal computer.
Terminal box 14: the data acquisition portion 12 is connected to a sensor, driller display 15.
A sensor: the system comprises a riser pressure sensor 16, a depth encoder 18 and a hook load sensor 17, and is used for acquiring data such as riser pressure, depth and hook load.
Driller display 15: and displaying the drilling engineering parameters for the driller engineer.
The underground instrument mainly comprises a continuous oil pipe connector 1, a pressure control short section 2, a mechanical circulation short section 3, a mechanical commutator 4, a mud pulser 5, a measurement while drilling tool 6, an electromagnetic wave resistivity instrument 7, a well deviation gamma instrument 8, a drilling performance monitoring instrument 9, a float valve 10 and a motor 11.
The functions of each part of the downhole drilling instrument are as follows:
the coiled tubing 101: and (5) conveying the device, and circulating the slurry.
Continuous oil pipe connector 1: the connecting device is used for connecting the coiled tubing with other downhole tools, is positioned at the upper parts of the other downhole tools, and can quickly connect the coiled tubing with the downhole tools.
And (3) pressure control nipple 2: for safely connecting the downhole tool with the upper connector.
Mechanical circulation nipple 3: the short joint is controlled to be closed and opened by mud pressure.
The mechanical commutator 4: the drilling tool is reversed by using the pressure difference of slurry, the tool face angle of the drilling tool can be adjusted by using the short section in the drilling process, the change of the drilling direction is realized, and the short section can be reversed for many times to achieve the required angle adjustment.
Slurry pulser 5: the mud pulse signal is generated, and the measured data is uploaded to the ground.
Measurement while drilling tool 6: engineering parameters such as well deviation, azimuth, tool face angle and pressure are measured, formation data such as resistivity and GR are collected, the action of the mud pulser 5 is controlled, and the data are uploaded to the ground in real time.
Electromagnetic wave resistivity instrument 7: and measuring the formation resistivity data in real time, sending the data to a measurement while drilling tool 6, and uploading the data to the ground.
Well deviation gamma instrument 8: and measuring the formation gamma radioactivity data in real time, sending the formation gamma radioactivity data to a measurement while drilling tool 6, and uploading the formation gamma radioactivity data to the ground.
Drilling performance monitoring instrument 9: and measuring the pressure of the annulus and the water hole in real time, sending the pressure to a measurement while drilling tool 6, and uploading the pressure to the ground so as to judge the well condition information during well drilling.
A float valve 10: is a one-way valve, and prevents mud from flowing backwards into the drilling tool and the continuous oil pipe when circulation and tripping are stopped.
Motor 11: the drilling tool is positioned at the lower part of the drilling tool and converts the kinetic energy of the slurry into mechanical energy for driving the drill bit to rotate, and the drill bit cuts the stratum so that the drilling tool drills into the stratum.
The above description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereto. Any equivalent transformation based on the technical scheme of the invention belongs to the protection scope of the invention.
Claims (2)
1. Wireless coiled tubing drilling system, its characterized in that: the continuous oil pipe tool mainly comprises a continuous oil pipe and a continuous oil pipe connector, the underground instrument mainly comprises a pressure control short section, a mechanical circulation short section, a mechanical commutator, a mud pulser, a measurement while drilling tool, an electromagnetic wave resistivity instrument, a well deviation gamma instrument, a drilling performance monitoring instrument, a float valve and a motor, the ground acquisition system mainly comprises an industrial personal computer, a data acquisition panel, a first junction box, a second junction box, a driller display, a vertical pipe pressure sensor, a hook load sensor and a depth encoder, wherein the continuous oil pipe is connected with the underground instrument through the continuous oil pipe connector, and the underground instrument comprises the pressure control short section, the mechanical circulation short section, a mechanical guider, the mud pulser, the measurement while drilling tool, the electromagnetic wave resistivity instrument, the well deviation gamma instrument, the mechanical circulation short section, the mechanical guider, the mud pulser, the measurement while drilling tool, the drilling performance monitoring instrument, the float valve and the motor are sequentially connected, the vertical pipe pressure sensor, the depth encoder and the hook load sensor are connected with the data acquisition panel through the first junction box, data uploaded through slurry are uploaded to the industrial personal computer, the driller display is connected with the data acquisition panel through the second junction box, and the data are uploaded to the industrial personal computer.
2. The wireless coiled tubing drilling system of claim 1, wherein the coiled tubing is hollow for circulating mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020561350.6U CN212201901U (en) | 2020-04-16 | 2020-04-16 | Wireless coiled tubing drilling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020561350.6U CN212201901U (en) | 2020-04-16 | 2020-04-16 | Wireless coiled tubing drilling system |
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| Publication Number | Publication Date |
|---|---|
| CN212201901U true CN212201901U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020561350.6U Active CN212201901U (en) | 2020-04-16 | 2020-04-16 | Wireless coiled tubing drilling system |
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|---|---|
| CN (1) | CN212201901U (en) |
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2020
- 2020-04-16 CN CN202020561350.6U patent/CN212201901U/en active Active
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