CN102733793B - Real-time monitoring system for hole bottom parameters in deep hole drilling - Google Patents
Real-time monitoring system for hole bottom parameters in deep hole drilling Download PDFInfo
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- CN102733793B CN102733793B CN201210218421.2A CN201210218421A CN102733793B CN 102733793 B CN102733793 B CN 102733793B CN 201210218421 A CN201210218421 A CN 201210218421A CN 102733793 B CN102733793 B CN 102733793B
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Abstract
The invention provides a real-time monitoring system for hole bottom parameters in deep hole drilling. The real-time monitoring system at least comprises an information collecting device, a signal transmitting device and a receiving device, wherein the information collecting device and the signal transmitting device are arranged on a drilling rod and are positioned at the hole bottom position, the receiving device is positioned on the earth surface, and information collected by the information collecting device can be transmitted to the receiving device for receiving after being transformed by the signal transmitting device; the information collecting device comprises a pressure sensor which is used for collecting various drilling parameters, a temperature sensor, a pressure torsion short joint and a flowmeter; the signal transmitting device comprises a collecting circuit, a transmitting circuit, a battery which is used for supplying power for a circuit and a pair of internal and external insulation short joints; and the receiving device comprises a signal processing unit which is used for receiving, amplifying, filtering, trapping, AD (Analog to Digital) conversing a signal and a display device which is connected with the signal processing unit through a signal line. According to the real-time monitoring system provided by the invention, the drilling accident during a deep hole drilling process can be reduced, and the drilling efficiency is increased.
Description
Technical field
The present invention relates to a kind of monitoring system for drilling parameter at the bottom of Real-Time Monitoring drilling process mesopore, this system can be widely used in the drilling field of the departments such as geology, oil, coal, metallurgy.
Background technology
Drilling technique is the only resource obtaining underground deep geologic information in kind, final delineation ore body.Creep into engineering and occur in underground deep, there is high investment, high risk feature.Along with resource exploration and development turn to deep on a large scale, the operating mode of drilling process will be more complicated, only control drilling process by rule of thumb more difficult.And the drilling accident happened occasionally not only has a strong impact on drilling efficiency but also can bring heavy economic losses, according to incompletely statistics in recent years the annual economic loss caused because of hole (well) interior drilling accident up to several hundred million unit.Therefore, development implements the continuous monitoring of drilling process with rig supporting parameter monitoring system, be realize efficiently, high-quality, safety, low consumption deep drilling material base.Current drilling parameter monitoring system can only Real-Time Monitoring Land Surface Parameters, and in deep well drilling process, drilling parameter and the Land Surface Parameters at nearly drill bit place at the bottom of hole differ greatly, at the bottom of hole, the drilling parameter at nearly drill bit place more can react the actual conditions of creeping into, for optimizing drilling, improve drilling efficiency significant.
Summary of the invention
The invention provides parameter real time monitoring system at the bottom of a kind of deep well drilling mesopore, this monitoring system can reduce the drilling accident of deep well drilling process, improves drilling efficiency.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is:
Parameter real time monitoring system at the bottom of a kind of deep well drilling mesopore, at least comprise and be installed on drilling rod and be positioned at information collecting device and the sender unit of bottom, hole, and the receiving system be positioned on earth's surface, be emitted to receiving system after the convert information that information collecting device collects by sender unit to receive, described information collecting device comprises the pressure sensor for gathering various drilling parameter, temperature pick up, pressure torque pipe nipple and flow meter, described sender unit comprises Acquisition Circuit, radiating circuit, the battery of powering for circuit and a pair external insulation pipe nipple, Acquisition Circuit and pressure sensor, temperature pick up, pressure torque pipe nipple and flow meter all connect, and transfer to radiating circuit after the parameter collected is carried out filtering and digitlization, radiating circuit is connected with a pair external insulation pipe nipple for transmitting, described receiving system comprises the signal processing unit for Signal reception, amplification, filtering, trap and AD conversion, and by display unit that holding wire is connected with signal processing unit, interior pipe is provided with in the outer tube of drilling rod, interior pipe is fixed in outer tube by upper supporting piece and lower support element, Acquisition Circuit, radiating circuit and battery are all installed in interior pipe, and pressure sensor and temperature pick up are installed on interior pipe, and pressure torque pipe nipple and flow meter are installed on the tube wall of outer tube.
A pair described external insulation pipe nipple forms by being installed on insulating short section and the external insulation pipe nipple be installed on outer tube wall on inner pipe wall, and two insulating short sections are cylindrical shape and position is mutually corresponding.
Be provided with between sender unit and receiving system for by Signal reception, amplification and launch relay station, described relay station is positioned at the middle part of drilling rod and is fixed on outer tube.
Described signal processing unit comprises reception antenna, boring tower, cable and receiver, and described display unit is notebook computer.One end of reception antenna is installed on receiver, and the other end of reception antenna inserts in earth's surface.
At the bottom of deep well drilling mesopore provided by the invention, parameter real time monitoring system has following advantage: 1, this monitoring system can drilling parameter at the bottom of Real-Time Monitoring hole, significantly can reduce drilling accident, improve drilling efficiency, reduce drilling cost; 2, can occur gradually to decay because electromagnetic signal is transmitted in the earth formation and affect the intensity of Received signal strength, relay station is provided with in a distance at the bottom of hole in the present invention, the signal received can be amplified follow-up supervention and penetrate by repeater, and thus the applicable hole depth scope of the present invention significantly increases; 3, at the bottom of deep well drilling mesopore provided by the invention, parameter real time monitoring system can preserve the data monitored in drilling process, carries out production analysis have important function to technician; 4, the present invention can establish certain basis for intelligent research of creeping into.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of parameter real time monitoring system at the bottom of deep well drilling mesopore provided by the invention;
In figure: 1-drill bit, 2-outer tube, 3-lower support element, 4-pressure sensor, 5-Acquisition Circuit, 6-temperature pick up, 7-radiating circuit, 8-battery, pipe in 9-, 10-pressure torque pipe nipple, insulating short section in 11-, 12-external insulation pipe nipple, 13-flow meter, 14-upper supporting piece, 15-relay station, 16-reception antenna, 17-boring tower, 18-cable, 19-receiver, 20-holding wire, 21-notebook computer.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed specific description is done to the present invention.
At the bottom of deep well drilling mesopore provided by the invention, the overall structure of parameter real time monitoring system as shown in Figure 1, is made up of information collecting device, sender unit, receiving system and relay station 15.Information collecting device and sender unit are all installed on the position of close drill bit 1 on drilling rod and are positioned at foot of hole together with drill bits 1, move down along with creeping into of drill bit 1, thus the parameter in Real-Time Monitoring drilling process.
Information collecting device comprises pressure sensor 4, temperature pick up 6, pressure torque pipe nipple 10 and flow meter 13 for gathering various drilling parameter.Sender unit comprises Acquisition Circuit 5, radiating circuit 7, the battery 8 of powering for circuit and a pair external insulation pipe nipple.Acquisition Circuit 5 is all connected with pressure sensor 4, temperature pick up 6, pressure torque pipe nipple 10 and flow meter 13, and radiating circuit 7 is connected with a pair external insulation pipe nipple for transmitting.Interior pipe 9 is provided with in the outer tube 2 of drilling rod, interior pipe 9 is fixed in outer tube 2 by upper supporting piece 14 and lower support element 3, Acquisition Circuit 5, radiating circuit 7 and battery 8 are all installed in interior pipe 9, pressure sensor 4 and temperature pick up 6 are installed on interior pipe 9, and pressure torque pipe nipple 10 and flow meter 13 are installed on the tube wall of outer tube 2.A pair external insulation pipe nipple for transmitting forms by being installed on insulating short section 11 and the external insulation pipe nipple 12 be installed on outer tube 2 tube wall on interior pipe 9 tube wall, and two insulating short sections are cylindrical shape and position is mutually corresponding.
Receiving system is positioned on earth's surface, comprise the signal processing unit for Signal reception, amplification, filtering, trap and AD conversion, and the display unit to be connected with signal processing unit by holding wire 20, signal processing unit described in the present embodiment comprises reception antenna 16, boring tower 17, cable 18 and receiver 19, and described display unit is notebook computer 21.One end of reception antenna 16 is installed on receiver 19, and the other end of reception antenna 16 inserts in earth's surface.
Be provided with between sender unit and receiving system for by Signal reception, amplification and launch relay station 15, described relay station 15 is positioned at the middle part of drilling rod and is fixed on outer tube 2.
At the bottom of deep well drilling mesopore provided by the invention, the operating principle of parameter real time monitoring system is as follows: the installation first completing whole monitoring system connects.In drilling process, the pressure sensor in information collecting device is for drilling liquid pressure at the bottom of the hole of monitoring; Temperature pick up is used for temperature at the bottom of monitoring holes; Pressure torque pipe nipple is used for monitoring holes subdrilling pressure and moment of torsion; Flow meter is used for mud flow rate at the bottom of monitoring holes.Acquisition Circuit carries out filtering and digitized processing by after above-mentioned 5 parameter acquisitions, transfers to radiating circuit after parameter information being converted into signal, and battery is that Acquisition Circuit and radiating circuit are powered.Interior insulating short section, external insulation pipe nipple and radiating circuit form transmitting dipole jointly, are sent by the signal after transforming by stratum with radio magnetic wave signal to earth's surface.Owing to can decay when electromagnetic wave transmits in the earth formation, when drilling depth exceedes certain limit, earth's surface cannot receive the too weak signal of intensity.Therefore, be provided with relay station in a distance at the bottom of hole in the present invention, relay station amplifies after receiving the next signal of hole bottom emitting, and is launched to earth's surface by the signal after amplifying.The signal processing unit be made up of boring tower, cable, reception antenna and receiver receives the signal launched by relay station, and transfer to notebook computer by holding wire after signal is carried out enlarge leadingly, filtering, trap and AD conversion, notebook computer shows in graphical form after processing data and preserves, on-the-spot drilling operation personnel can enter parameter adjustment drilling process according to the hole subdrilling of display in real time on notebook computer and creep into code, thus reach optimizing drilling, improve drilling efficiency, reduce and creep into the objects such as risk.
Claims (4)
1. parameter real time monitoring system at the bottom of a deep well drilling mesopore, it is characterized in that: at least comprise and be installed on drilling rod and be positioned at information collecting device and the sender unit of bottom, hole, and the receiving system be positioned on earth's surface, be emitted to receiving system after the convert information that information collecting device collects by sender unit to receive, described information collecting device comprises the pressure sensor for gathering various drilling parameter, temperature pick up, pressure torque pipe nipple and flow meter, described sender unit comprises Acquisition Circuit, radiating circuit, the battery of powering for circuit and a pair external insulation pipe nipple, Acquisition Circuit and pressure sensor, temperature pick up, pressure torque pipe nipple and flow meter all connect, and transfer to radiating circuit after the parameter collected is carried out filtering and digitlization, radiating circuit is connected with a pair external insulation pipe nipple for transmitting, described receiving system comprises the signal processing unit for Signal reception, amplification, filtering, trap and AD conversion, and by display unit that holding wire is connected with signal processing unit, interior pipe is provided with in the outer tube of drilling rod, interior pipe is fixed in outer tube by upper supporting piece and lower support element, Acquisition Circuit, radiating circuit and battery are all installed in interior pipe, and pressure sensor and temperature pick up are installed on interior pipe, and pressure torque pipe nipple and flow meter are installed on the tube wall of outer tube,
Be provided with between sender unit and receiving system for by Signal reception, amplification and launch relay station, described relay station is positioned at the middle part of drilling rod and is fixed on outer tube.
2. parameter real time monitoring system at the bottom of deep well drilling mesopore according to claim 1, it is characterized in that: a pair described external insulation pipe nipple forms by being installed on insulating short section and the external insulation pipe nipple be installed on outer tube wall on inner pipe wall, and two insulating short sections are cylindrical shape and position is mutually corresponding.
3. parameter real time monitoring system at the bottom of deep well drilling mesopore according to claim 1, is characterized in that: described signal processing unit comprises reception antenna, boring tower, cable and receiver, and described display unit is notebook computer.
4. parameter real time monitoring system at the bottom of deep well drilling mesopore according to claim 3, is characterized in that: one end of reception antenna is installed on receiver, and the other end of reception antenna inserts in earth's surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210218421.2A CN102733793B (en) | 2012-06-28 | 2012-06-28 | Real-time monitoring system for hole bottom parameters in deep hole drilling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210218421.2A CN102733793B (en) | 2012-06-28 | 2012-06-28 | Real-time monitoring system for hole bottom parameters in deep hole drilling |
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| CN102733793A CN102733793A (en) | 2012-10-17 |
| CN102733793B true CN102733793B (en) | 2015-04-15 |
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| CN201210218421.2A Expired - Fee Related CN102733793B (en) | 2012-06-28 | 2012-06-28 | Real-time monitoring system for hole bottom parameters in deep hole drilling |
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Families Citing this family (10)
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| CN103266884A (en) * | 2013-05-09 | 2013-08-28 | 电子科技大学 | EM-MWD relay transmission system |
| CN103498667B (en) * | 2013-10-16 | 2015-08-05 | 北京航空航天大学 | A kind of for there being the downhole parameters transmission system of bar producing well |
| CN103527180B (en) * | 2013-10-28 | 2016-05-25 | 中国地震局地壳应力研究所 | Hydrofracturing in situ stress measurement data collecting system |
| CN103556991B (en) * | 2013-11-07 | 2016-03-09 | 中国海洋石油总公司 | Deepwater drilling DATA REASONING and register system and method |
| CN103590753A (en) * | 2013-11-25 | 2014-02-19 | 四川大学 | Drilling tool for detecting temperature in drill hole in real time |
| CN103712790B (en) * | 2014-01-10 | 2016-04-06 | 中国地质大学（武汉） | A kind of experimental facilities studying drilling string dynamics characteristic |
| CN104343441A (en) * | 2014-09-29 | 2015-02-11 | 中国地质大学（武汉） | Bottom drilling parameter transmission system for ultra-deep well |
| CN106014392A (en) * | 2016-07-12 | 2016-10-12 | 中国石油集团长城钻探工程有限公司 | Wireless parameter measurement-while-drilling device for well site |
| CN106499386B (en) * | 2016-12-16 | 2019-12-24 | 北京科技大学 | Near-bit well logging system and method based on coupling communication |
| CN113137226B (en) * | 2021-04-29 | 2023-10-13 | 中国科学院武汉岩土力学研究所 | Portable rock-soil body mechanical parameter drilling test system and equipment |
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| GB2405422A (en) * | 2003-08-27 | 2005-03-02 | Prec Drilling Tech Serv Group | Electromagnetic borehole telemetry system incorporating a conductive borehole tubular |
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