CN101392643A - Underground data wireless transmission device of gas drilling while drilling - Google Patents
Underground data wireless transmission device of gas drilling while drilling Download PDFInfo
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- CN101392643A CN101392643A CNA2008100464369A CN200810046436A CN101392643A CN 101392643 A CN101392643 A CN 101392643A CN A2008100464369 A CNA2008100464369 A CN A2008100464369A CN 200810046436 A CN200810046436 A CN 200810046436A CN 101392643 A CN101392643 A CN 101392643A
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Abstract
The invention provides a underground data wireless transmission device while drilling for gas drilling, belongs to a test data transmission device while drilling for gas drilling in the field of oil and gas extraction, and aims to solve the problem that the underground test data transmission device while drilling for gas drilling can not transmit data in real time. The device comprises an underground non-magnetic drill collar nipple arranged on the upper part of a drill, a wireless network repeater and antenna arranged on a check valve in a drilling tool, a wireless network repeater and antenna arranged on a square drill stem, a ground wireless network bridge and antenna, and a computer, wherein the inside of the underground non-magnetic drill collar nipple is provided with a pressure sensor, a temperature sensor, a dust water content sensor, an electronic compass, an analog-to-digital converter, a wireless network bridge, a transmitting antenna and a battery power supply system supplying power for the parts; the analog-to-digital converter is electrically connected with various sensors and the wireless network bridge; the transmitting antenna is electrically connected with the wireless network bridge; microwave signals emitted by the ground wireless network bridge and antenna are matched with the microwave signals emitted by the transmitting antenna; and the ground wireless network bridge is electrically connected with the computer.
Description
Technical field
The invention belongs to the transmitting device that is used for the gas drilling while drilling test data in the oil-gas mining field.
Background technology
Utilize gas drilling to obtain a large amount of popularizations and application in recent years, it is increasing substantially rate of penetration, reducing the pollution of oil-gas Layer and is in time finding aspect the oil-gas Layer outstanding contribution is arranged, but it also has a lot of problems, the scope of application is narrower, and distinct issues collapse for the stratum water outlet causes the borehole wall, down-hole blasting and hole trajectory control.
Down-hole blasting problem and stratum water outlet can be 200610021853.9 by number of patent application, name is called the monitoring of " continuous monitoring method of a kind of gas drilling down-hole state " application for a patent for invention disclosed method, but the application disclosed method is at the ground indirect monitoring, directly state under the testing well.
High the pressure of the drill uses rock bit to improve rate of penetration, and hole deviation control and measurement are the comparison distinct issues, and especially gas bores the measurement while drilling of directional well, horizontal well, and its transfer of data is a key issue.
Measurement while drilling in the mud well is to utilize mud-pulse transmission signal, this technology is very ripe, be can not be applied in the gas drilling, that replace it is electromagnetic impulse signal transmission technology (EMMWD-Electromagnetic Measurement While Drilling).EMMWD utilizes ultra-low frequency electromagnetic wave directly to pass the stratum to arrive geoceiver, if well depth is dark, formation impedance is less, ultra-low frequency electromagnetic wave is attenuated in the process of penetrating ground, can not arrive ground is effectively received, signal transmission distance is generally 700m～3200m, and use Antenna extender technology and relaying technique can reach the transmission range of practical application, but its difficulty is bigger, message transmission rate is lower, can not real-time Transmission imaging logging information.
In addition, downhole stored formula measurement while-drilling instrument can not real-time transmission data, utilizes the sonic transmissions technology, difficult with solve drilling well vibrations noise problem.
Summary of the invention
The objective of the invention is to solve the problem that the transmitting device of underground measuring while drilling data in the existing gas drilling can not real-time transmission data, a kind of radio transmitting device that can be applicable to the transmission of gas drilling while drilling test data is provided, transmitting power is littler, have the littler electric power system in assembly structure and space, realize that high-speed real-time ground transmits underground test data and handles to ground.
Underground data wireless transmission device of gas drilling while drilling, comprise the sensor of acquired signal and the computer of processing signals, also comprise the analog-digital converter that is connected with sensor electrical, the wireless bridge that is electrically connected with analog-digital converter, the transmitting antenna that is electrically connected with wireless bridge, transmitting antenna is arranged in the drilling tool, the microwave signal of its emission is coupling in the drilling tool to be transmitted, the terrestrial wireless bridge that the microwave signal that setting and transmitting antenna send on the ground is complementary, the terrestrial wireless bridge is electrically connected with computer.
Described sensor comprises pressure sensor, temperature pick up, dust water content sensor and electronic compass.Pressure sensor testing well bottom pressure is judged the hole cleaning situation; Temperature pick up test drilling tool annular space gas temperature, if the down-hole has taken place to fire, the annular space gas temperature can sharply increase, and judges the degree of firing with this, and the fire extinguishing of whether stopping the supple of gas or steam of making a strategic decision; Dust water content sensor formation testing water outlet situation; Electronic compass is measured well inclination angle, azimuth and tool face azimuth, realizes measurement in real time of directional well track or control.
Described wireless bridge and terrestrial wireless bridge are the double-frequency wireless bridge, and its frequency is respectively 2.4GHz, 5.8GHz, and its operating frequency is determined according to the drilling tool internal diameter by computer.
Described radio transmitting device also comprises wireless network repeater and the antenna that is arranged on drilling tool inside.
Described radio transmitting device also comprises wireless network repeater and the antenna that is arranged in the kelly bar.
Per 1000 meter amperes are adorned 1 wireless network repeater and antenna in the described drilling tool.
Described sensor, analog-digital converter, wireless bridge and transmitting antenna be integrated to be assemblied in the down-hole does not have magnetic and bores very in the short circuit, and the down-hole does not have magnetic and bores the battery power supply system that also is provided with in the short circuit very to above-mentioned parts power supply.
The present invention adopts said structure, can be installed in the drill bit top to sensor to gather underground signal, and by analog-digital converter, wireless bridge and transmitting antenna the signal of gathering is converted to data signal and is converted to microwave signal again, pass to computer after the wireless bridge that utilizes drilling tool to be transferred to ground as guide directional receives and handle; Wireless microwave signal is coupling in the drilling tool transmits, solved the omnidirectional transmission of existing wireless devices on the one hand and caused the short problem of transmission range, can utilize existing wireless transmission component on the other hand, have following beneficial effect:
(1), can realize the real-time Transmission of measuring while drilling data under the gas drilling condition without mud wave transmission signal;
(2) signal transmission apparatus can be used for reference ripe radio network technique (WLAN), compares with EMMWD, and transmitting power is reduced to the mW level by the 100W level, can use more small-sized powered battery;
(3) can realize the high-speed bidirectional traffic rate of 54Mbps;
(4) can realize the control and the data acquisition of underground equipment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Number in the figure: the 1st, pressure sensor, the 2nd, temperature pick up, the 3rd, dust water content sensor, the 4th, electronic compass, the 5th, analog-digital converter, the 6th, wireless bridge, the 7th, transmitting antenna, the 8th, the wireless network repeater and the antenna of ball-and-seat, the 9th, the wireless network repeater and the antenna at kelly bar place, the 10th, terrestrial wireless bridge and antenna, the 11st, computer, the 12nd, battery power supply system.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
As shown in Figure 1, underground data wireless transmission device of gas drilling while drilling comprises that the down-hole that is arranged on drill bit top do not have wireless network repeater and antenna 8, the wireless network repeater that is arranged on the kelly bar place and antenna 9, terrestrial wireless bridge and antenna 10 and computer 11 that magnetic bores short circuit very, is arranged on ball-and-seat place in the drilling tool.
The down-hole does not have the magnetic brill and very is provided with pressure sensor 1, temperature pick up 2, dust water content sensor 3, electronic compass 4, analog-digital converter 5, wireless bridge 6, transmitting antenna 7 and gives the battery power supply system 12 of above-mentioned parts power supply in the short circuit.Analog-digital converter 5 is connected with above-mentioned each sensor electrical, wireless bridge 6 is electrically connected with analog-digital converter 5, the transmitting antenna that is electrically connected with wireless bridge 6 is arranged in the drilling tool, the microwave signal of its emission is coupling in the drilling tool to be transmitted, the terrestrial wireless bridge and the antenna 10 that are arranged on ground are complementary (being that the microwave signal that transmitting antenna 7 sends can be received and transmit by the antenna of terrestrial wireless bridge and antenna 10) with the microwave signal that transmitting antenna 7 sends, and the terrestrial wireless bridge is electrically connected with computer 11.
Pressure sensor 1 testing well bottom pressure is judged the hole cleaning situation; Temperature pick up 2 test drilling tool annular space gas temperatures, if the down-hole has taken place to fire, the annular space gas temperature can sharply increase, and judges the degree of firing with this, and the fire extinguishing of whether stopping the supple of gas or steam of making a strategic decision; Dust water content sensor 3 formation testing water outlet situations; Electronic compass 4 is measured well inclination angle, azimuth and tool face azimuth, realizes measurement in real time of directional well track or control.
Above-mentioned wireless bridge and terrestrial wireless bridge all are the double-frequency wireless bridges, and its frequency is respectively 2.4GHz, 5.8GHz, and its operating frequency is determined according to the drilling tool internal diameter by computer.
It is as follows to adopt said apparatus will be transferred to the method step of handling on ground with data wireless under the drilling well when gas drilling:
A., the down-hole that is integrated with pressure sensor 1, temperature pick up 2, dust water content sensor 3, electronic compass 4, analog-digital converter 5, wireless bridge 6, transmitting antenna 7 and battery power supply system 12 is installed above drill bit does not have very short circuit of magnetic brill; And change the single current valve block in the drilling tool into nonmetal valve block that microwave signal can be passed through, the valve block of making as pottery or nylon; Per 1000 meter amperes are adorned 1 wireless network repeater and antenna 8 of crossing ball-and-seat in the drilling tool; Kelly bar place, ground is provided with wireless network repeater and antenna 9; Terrestrial wireless bridge and antenna 10 and computer 11 are set on the ground;
B. the signal with above-mentioned each sensor acquisition is converted to data signal through analog-digital converter 5, sends into wireless bridge 6 then;
C. wireless bridge 6 is coupled to above-mentioned data signal in the drilling tool with microwave mode by transmitting antenna 7;
D. transmit along drilling tool through the microwave signal of step c coupling, be forwarded to the wireless network repeater and the antenna 9 at kelly bar place, ground through ball-and-seat with nonmetal valve block by wireless network repeater and antenna 8, be forwarded to the terrestrial wireless bridge by wireless network repeater and antenna 9 again and antenna 10 receives;
E. by the terrestrial wireless bridge signal is transferred to computer 11, signal is handled by computer.
Microwave signal will be endured part by the less brill of internal diameter earlier in transmission course, and about 100～300 meters, pass to the bigger drilling rod part of internal diameter again, pass to the less kelly bar part of internal diameter at last.
According to waveguide theory, the transmittability of microwave signal and transmission range are relevant with the drilling tool internal diameter, therefore, according to drilling tool internal diameter size, should adopt different microwave frequencies.
Present embodiment adopts the double-frequency wireless bridge, can be arranged to 2.4GHz (802.11b/g) or 5.8GHz (802.11a) pattern by ground-based computer 11 easily.Per 1000 meters have been used 1 wireless network repeater and antenna 8 in whole microwave signal transmission course, and each wireless network repeater and antenna 8 can use the dual system automatic network-building, reduce the chain network system failure rate.
In whole chain type network communication system, use relaying more, but, therefore can not influence the application of this device more because trunking because the wireless network relay equipment is little, antenna is little, power consumption is little, cost is low and the wireless network equipment management technology maturation.
Claims (7)
1, underground data wireless transmission device of gas drilling while drilling, comprise the sensor of acquired signal and the computer of processing signals, it is characterized in that, also comprise the analog-digital converter that is connected with sensor electrical, the wireless bridge that is electrically connected with analog-digital converter, the transmitting antenna that is electrically connected with wireless bridge, transmitting antenna is arranged in the drilling tool, the microwave signal of its emission is coupling in the drilling tool to be transmitted, the terrestrial wireless bridge that the microwave signal that setting and transmitting antenna send on the ground is complementary, the terrestrial wireless bridge is electrically connected with computer.
2, underground data wireless transmission device of gas drilling while drilling according to claim 1 is characterized in that described sensor comprises pressure sensor, temperature pick up, dust water content sensor and electronic compass.
3, underground data wireless transmission device of gas drilling while drilling according to claim 1, it is characterized in that, described wireless bridge and terrestrial wireless bridge are the double-frequency wireless bridge, and its frequency is respectively 2.4GHz, 5.8GHz, and its operating frequency is determined according to the drilling tool internal diameter by computer.
4, underground data wireless transmission device of gas drilling while drilling according to claim 1 is characterized in that described radio transmitting device also comprises wireless network repeater and the antenna that is arranged on drilling tool inside.
5, underground data wireless transmission device of gas drilling while drilling according to claim 1 is characterized in that, described radio transmitting device also comprises wireless network repeater and the antenna that is arranged in the kelly bar.
As underground data wireless transmission device of gas drilling while drilling as described in the claim 4, it is characterized in that 6, per 1000 meter amperes are adorned 1 wireless network repeater and antenna in the described drilling tool.
7, underground data wireless transmission device of gas drilling while drilling according to claim 1, it is characterized in that, described sensor, analog-digital converter, wireless bridge and transmitting antenna be integrated to be assemblied in the down-hole does not have magnetic and bores very in the short circuit, and the down-hole does not have magnetic and bores the battery power supply system that also is provided with in the short circuit very to above-mentioned parts power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200810046436 CN101392643B (en) | 2008-10-31 | 2008-10-31 | Underground data wireless transmission device of gas drilling while drilling |
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| CN 200810046436 CN101392643B (en) | 2008-10-31 | 2008-10-31 | Underground data wireless transmission device of gas drilling while drilling |
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| CN101392643A true CN101392643A (en) | 2009-03-25 |
| CN101392643B CN101392643B (en) | 2013-08-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251770A (en) * | 2011-06-23 | 2011-11-23 | 西南石油大学 | Wireless transmission method for gas drilling underground information while drilling |
| CN104992549A (en) * | 2015-07-15 | 2015-10-21 | 西南石油大学 | Intelligent drill string duplex information transmission system on basis of ADSL (Asymmetrical Digital Subscriber Loop) communication and method |
| CN106351644A (en) * | 2016-10-18 | 2017-01-25 | 中石化石油工程技术服务有限公司 | Method for monitoring wellbore trajectory in real time while drilling for gas drilling |
| CN110195584A (en) * | 2018-02-26 | 2019-09-03 | 中国石油化工股份有限公司 | With brill observing and controlling bidirectional wireless communication simulating test device and method |
| CN110725650A (en) * | 2013-03-29 | 2020-01-24 | 普拉德研究及开发股份有限公司 | Closed loop control of drilling toolface |
| CN110847821A (en) * | 2019-10-25 | 2020-02-28 | 西安石大斯泰瑞油田技术有限公司 | High-deflecting and high-drilling-speed rotary guide system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100501121C (en) * | 2007-03-16 | 2009-06-17 | 中国地质大学（武汉） | Extra-low frequency or ultra-low frequency electromagnetic wave two-ways remote controlling sensing system while-drilling |
| CN201044457Y (en) * | 2007-04-29 | 2008-04-02 | 上海神开石油化工装备集团有限公司 | Radio communication device at artesian well spot |
| CN201288548Y (en) * | 2008-10-31 | 2009-08-12 | 西南石油大学 | Drilling data wireless transmission apparatus for gas drilling |
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2008
- 2008-10-31 CN CN 200810046436 patent/CN101392643B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251770A (en) * | 2011-06-23 | 2011-11-23 | 西南石油大学 | Wireless transmission method for gas drilling underground information while drilling |
| CN110725650A (en) * | 2013-03-29 | 2020-01-24 | 普拉德研究及开发股份有限公司 | Closed loop control of drilling toolface |
| US10995552B2 (en) | 2013-03-29 | 2021-05-04 | Schlumberger Technology Corporation | Closed loop control of drilling toolface |
| CN104992549A (en) * | 2015-07-15 | 2015-10-21 | 西南石油大学 | Intelligent drill string duplex information transmission system on basis of ADSL (Asymmetrical Digital Subscriber Loop) communication and method |
| CN104992549B (en) * | 2015-07-15 | 2019-02-12 | 西南石油大学 | A kind of Intelligent Drill String duplex information Transmission system and method based on adsl communication |
| CN106351644A (en) * | 2016-10-18 | 2017-01-25 | 中石化石油工程技术服务有限公司 | Method for monitoring wellbore trajectory in real time while drilling for gas drilling |
| CN110195584A (en) * | 2018-02-26 | 2019-09-03 | 中国石油化工股份有限公司 | With brill observing and controlling bidirectional wireless communication simulating test device and method |
| CN110847821A (en) * | 2019-10-25 | 2020-02-28 | 西安石大斯泰瑞油田技术有限公司 | High-deflecting and high-drilling-speed rotary guide system |
| CN110847821B (en) * | 2019-10-25 | 2020-12-11 | 西安石大斯泰瑞油田技术有限公司 | High-deflecting and high-drilling-speed rotary guide system |
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| CN101392643B (en) | 2013-08-14 |
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Effective date of registration: 20160121 Address after: 610500, 401AB, 4 F, Southwest Petroleum University Science Park building, 8 Xindu Road, Xindu District, Sichuan, Chengdu Patentee after: Chengdu Haohan Well Completion and Rock Electric Technology Co., Ltd. Address before: No. 8 Road, Xindu Xindu District of Chengdu city of Sichuan Province in 610500 Patentee before: Southwest Petroleum University |