CN101975057A - Real-time control drilling and production system for deep and ultra-deep wells - Google Patents
Real-time control drilling and production system for deep and ultra-deep wells Download PDFInfo
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- CN101975057A CN101975057A CN2010105232172A CN201010523217A CN101975057A CN 101975057 A CN101975057 A CN 101975057A CN 2010105232172 A CN2010105232172 A CN 2010105232172A CN 201010523217 A CN201010523217 A CN 201010523217A CN 101975057 A CN101975057 A CN 101975057A
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Abstract
The invention relates to a real-time control drilling and production system for deep and ultra-deep wells, in particular to a drilling and production system for exploiting petroleum and natural gas. The drilling and production system comprises a drill stem, a drill stem connector, a drill bit, ground control equipment, a relay, an information processing tool, a transmission medium and the like. The drill stem connector comprises transmission channels in internally and externally threaded connectors and an information connector mounting hole. When the drill stem passes through the internally and externally threaded connectors, the information contact on the information connector can form a plurality of transmission channels which are independent of one another. The drilling and production information from the bottom of the well is transmitted to the ground control equipment through the transmission medium; the relay can ensure under ground signal transmission in the deep and ultra-deep wells and realize the real-time control over well bottom and ground equipment.
Description
Technical field
What the present invention relates to is the real-time control drilling system that is applicable to deep-well and ultradeep well, belongs to the intelligent drilling rod technical field.
Background technology
The typical well system of oil and natural gas is made of drilling rod, and drill bit is in the lower end of drilling rod.In recovery process, the rotation by drill bit removes unnecessary rock stratum, and drilling rod is among mud, because of the circulation of mud and the vibration of drill string make the suffered load of drilling rod all belong to dynamic loading, and the more complicated of underground situation performance.According to the prediction of Exxon Mobil Corporation, easily the open well ratio of exploitation will by 2003 80% drop to 2010 57%, illustrate that petroleum gas has turned to the exploitation of exploiting the big unconventional resource of difficulty.The energy extraction situation much all is the situation that surpasses 4000 meters deep-well and surpass 6000 meters ultradeep well now, and contains a lot of other corrosive gases in a lot of oil gas field, has also caused the complexity of down-hole drilling situation.Such down-hole complicated situation is not easy to obtain the exploitation data very much, causes the generation of a lot of unknown situation.
Along with the exploitation of worldwide oil gas field, more and more require the drilling process is realized the control of high efficiency smartization, to realize the abundant exploitation of resource.And existing technology generally be can't to drilling-production equipment particularly the underground drill string carry out FEEDBACK CONTROL effectively, causing can not be in time in the drilling and obtain the shaft bottom situation accurately, this also is the one of the main reasons that causes manufacturing process efficient not high.Oil and gas exploitation oil gas well depth all will be deep-well and ultradeep well series much in addition, has more caused effectively obtaining the drilling situation in shaft bottom, can not realize the real-time control of ground and subsurface equipment.If can in the exploitation of oil gas field and other geology energy, set up the information exchange of the following equipment in the ground and the face of land and control in real time, then can enhance productivity greatly, prevent the generation of unnecessary accident.Lacking effectively now, drilling-production equipment and system solve the outstanding problem that faces in the drilling process.
Chinese patent CN101315022A(application number 200710014691.0) but designed the joint of petroleum drill rod of a kind of transferring electric power and coherent signal, can in transferring power, circulating fluid, carry out the wire transmission of electric power and signal.May cause the inhomogeneities of signal in this kind form of structure more complicated, signal transmission, the temporary transient interruption of signal in deep-well and ultradeep well, may occur, be not easy to actual production and use.
Summary of the invention
The object of the present invention is to provide a kind of real-time control drilling system that is applicable to deep-well and ultradeep well, mainly solve form of structure more complicated in the existing product, be not easy to the problem of transmission underground signal in deep-well or ultradeep well exploitation, it helps to improve the intelligent degree of operating mode, tool joint has partially absorbed traditional jointing technology maturation, the easy advantage of processing, adopt inner thread piece to match with external thread piece, being provided with of two shoulders can be played good torsional property, prevents joint generation partial failure; The design of this joint, can significantly reduce the stress level and the stress of joint design and concentrate situation, reduce the probability that fatigue failure takes place effectively, its torsional property is greatly improved, and can realize the transmission of electric power and coherent signal in deep-well and the ultradeep well, realize the feedback effectively of ground and subsurface equipment, reaching the purpose of coming the control production process on request, and production efficiency and the intelligent degree of operating mode are greatly improved.
For achieving the above object, technical scheme of the present invention is:
A kind of real-time control drilling system that is applicable to deep-well and ultradeep well comprises the ground that connects by transmission medium
Face control device and shaft bottom drilling-production equipment, described shaft bottom drilling-production equipment comprises repeater, drilling rod, drill bit and tool joint;
Described tool joint comprises female adapter and male connection; In the described male connection first information is arranged
Connector, described first information connector comprise the first information contact that is used for the information transmission, and described female adapter comprises and the corresponding second information connector of described first information connector that the described second information connector comprises the second information contact;
Between described first information contact and the described second information contact is separate, can form many
Individual transmission channel.
Described first contact has 3, and the second information contact also can have 3.
First information connector described in the drilling process and the described second information connector are installed in described drilling rod and connect
The information connector of head is provided with in the hole.
Described repeater is arranged at the stage casing of described drilling rod, is used to resend or transmit data-signal; Repeater
Can realize the more transmission of long range signals.
Described information processing instrument is arranged at the top of described drill bit, and this information processing instrument can be testing arrangement, pulse remote sensor or resistance device, is used for the down-hole and exchanges with described ground control unit foundation.
Described ground control unit is fixed on the oil well place, comprises signal transmitting and receiving and treating apparatus, screen display device.
The signal that the transmission body can transmit in the described real-time control drilling system comprise data-signal, control signal with
And the signal of telecommunication.
Described tool joint pin comprises the second outer circular bead surface that is positioned at the top and by circular bead surface outside described tool joint pin outer wall first face of cylinder that circular bead surface sets gradually backward outside described second, external screw thread, second face of cylinder and first, also be provided with the secondary signal transmission channel on the described tool joint pin, and described second outer circular bead surface one side is provided with the second information connector that is communicated with described secondary signal transmission channel the hole is set;
Described tool joint box comprises the circular bead surface that is positioned at the top and by circular bead surface outside described tool joint box inwall second cylindrical hole that circular bead surface sets gradually backward outside described, internal thread, first cylindrical hole and the radially outer the 3rd, also be provided with first signal transmission passage on the described tool joint box, and circular bead surface one side is provided with the first information connector that is communicated with described first signal transmission passage hole is set in described;
When described tool joint box is connected with described external screw thread by described internal thread fully with described tool joint pin, the first outer circular bead surface matches with the 3rd outer circular bead surface, second cylindrical hole matches with first face of cylinder, first cylindrical hole matches with second face of cylinder, interior circular bead surface matches with the second outer circular bead surface, and on the interior circular bead surface and the second outer circular bead surface respectively the first information connector established of ring hole and the second information connector are set the hole be set be interconnected, can produce contact between the contact behind the information of the placement connector, and form passage between the transmission line of information, being communicated with of the signal transmission passage in assurance and tool joint and the drilling rod;
Be provided with stress-relief groove between the described first outer circular bead surface and described second face of cylinder;
The cross sectional shape and the degree of depth of described first signal transmission passage and described secondary signal transmission channel are identical, its
The width a in cross section is 2～3mm, and its degree of depth b is 3～4mm.
The distance that the described second information connector is provided with the inwall of hole and described external thread piece is m, and m is 3～5mm;
The distance that described first information connector is provided with hole and the described inner thread piece second cylindrical hole inwall is n, and n is 3～5.5mm.
The breadth of section of the described second outer circular bead surface is that the thickness of described male connection one end is f, f is 8～
12mm；
The inwall of female adapter is e to the distance between the second cylindrical hole inwall, e-f≤0.3mm.
Described first information connector is provided with the hole and with the described second information connector the big or small identical of hole is set, and it is dark
Degree is c, and c is 6～10mm, and width is d, and d is 5～10mm.
First information connector is provided with in hole, the male connection the second information connector and second information transfer channel is set in hole, the female adapter on the first information transmission channel and male connection on a center line in the described female adapter.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention has significantly improved the intelligent degree of drilling system, can dispose the drilling rod of needs and the real size of tool joint according to condition of work.When satisfying the drilling requirement, can transmitting electric power and coherent signal, realize the real time information transmission of equipment under the ground and the face of land, realize higher intelligent drilling requirement.And the processing of joint and easy to loading and unloading, help application of practical project.
2, the present invention is suitable for the use down of complicated drilling condition such as deep-well, ultradeep well, high pressure and super high pressure oil gas well.
Description of drawings
Fig. 1 is a drilling entire system layout;
Fig. 2 is the tool joint part schematic diagram in the work;
Fig. 3 is the partial structurtes schematic diagram of female adapter after cooperating;
Fig. 4 is information connector schematic diagram in the male connection;
Fig. 5 is the part sectioned view of information transfer channel on the internal and external threads joint.
Symbol description
1 drilling rod; 2 transmission lines; 3 transmission mediums; 4 repeaters; 5 drill bits;
Transmission line in 6 first signal transmission passages; 7 second information connectors;
Transmission line in the 8 secondary signal transmission channels; 9 first information connectors;
10 first signal transmission passages; 11 tool joint boxs; 12 first information connectors are provided with the hole;
13 second information connectors are provided with the hole; 14 second cylindrical holes; 15 first faces of cylinder;
16 internal threads; 17 secondary signal transmission channels; 18 first cylindrical holes; 19 the 3rd outer circular bead surfaces; 20 first outer circular bead surfaces; 21 tool joint pins; 22 stress-relief grooves; 23 second faces of cylinder; 24 external screw threads; 25 second outer circular bead surfaces; Circular bead surface in 26;
27 first information contacts; 28 second information contacts; 29 the 3rd information contacts; 30 information processing instruments.
The specific embodiment
Below by embodiment the present invention is specifically described.Be necessary to be pointed out that at this following examples only are used for that the invention will be further described; can not be interpreted as limiting the scope of the invention; some nonessential improvement and adjustment that the professional and technical personnel in this field content according to the present invention is made still belong to protection scope of the present invention.
Embodiment 1
To Fig. 5, include ground control unit, down-hole drilling-production equipment, repeater 4, transmission line 2, information connector etc. referring to Fig. 1 in the drilling system, ground control unit is made of electronic display and external control devices, drilling depth 5 kms.
Comprise the second outer circular bead surface 25 that is positioned at the top in the drilling system in the tool joint pin 21 and by circular bead surface 20 outside tool joint pin 21 outer walls first face of cylinder 15 that circular bead surface 25 sets gradually backward outside second, external screw thread 24, second face of cylinder 23 and first, also be provided with secondary signal transmission channel 17 on the tool joint pin 21, and described second outer circular bead surface 25 1 sides are provided with the second information connector that is communicated with secondary signal transmission channel 17 hole 13 are set; Be provided with stress-relief groove 22 between the first outer circular bead surface 20 and second face of cylinder 23.
Repeater 4 is arranged at the stage casing of drilling rod 1, is used to resend or transmit data-signal, and repeater 4 can
To realize the more transmission of long range signals.
Ground control unit is fixed on the oil well place, comprises signal transmitting and receiving and treating apparatus, screen display device.Real
The signal that the transmission body can transmit in the time control drilling system comprises data-signal, control signal and the signal of telecommunication.
Comprise circular bead surface 19 outside circular bead surface 26 that is positioned at the top and second cylindrical hole 14 that sets gradually backward from circular bead surface 26 by tool joint box 11 inwalls, internal thread 16, first cylindrical hole 18 and the radially outer the 3rd in the drilling system in the tool joint box 11, also be provided with first signal transmission passage 10 on the tool joint box 11, and interior circular bead surface 26 1 sides are provided with the first information connector that is communicated with first signal transmission passage 10 hole 12 are set.
When tool joint box 11 is connected with external screw thread 24 by internal thread 16 fully with tool joint pin 21, the first outer circular bead surface 20 matches with the 3rd outer circular bead surface 19, second cylindrical hole 14 matches with first face of cylinder 15, first cylindrical hole 18 matches with second face of cylinder 23, interior circular bead surface 26 matches with second outer shoulder 25 faces, and on the interior circular bead surface 26 and the second outer circular bead surface 25 respectively the first information connector established of ring hole 12 and the second information connector are set hole 13 be set be interconnected, contact (27 behind the information of placement connector, 28,29) produce contact between, and form passage between the transmission line of information 2, being communicated with of the signal transmission passage in assurance and tool joint and the drilling rod 1.
First signal transmission passage 10 is identical with the cross sectional shape and the degree of depth of secondary signal transmission channel 17 in the internal and external threads tool joint of drilling system, and its breadth of section a is 2.5mm, and its section depth b is 3mm.What the second information connector was provided with hole 13 and external screw thread 24 inwalls in the drilling system male connection 21 is 4mm apart from m, and what first information connector was provided with hole 12 and internal thread 16 inwalls in the female adapter 11 is 4.5mm apart from n.The breadth of section of the second outer circular bead surface 25 of drilling system male connection 21 is that the thickness f of male connection 21 1 ends is 10mm, and the inwall of female adapter 11 is e to the distance between the inwall of second cylindrical hole 14, e-f=0.15mm.It is big or small identical that information connector on the drilling system internal and external threads joint is provided with hole (12,13), and it is provided with hole depth c is 7mm, and it is 8mm that hole width d is set.Adopt the single-mode fiber repeater, reached the requirement of transmission range, after system installs, information processing instrument 30 under the shaft bottom transmits the information of down-hole by transmission line of information in the drilling rod and the information contact in the tool joint, conversely again can be by transmission line of information in the drilling rod and the instruction of the transmission of the information contact in the tool joint from GCU, can realize the good feedback between shaft bottom information and the GCU, and the information connector in the tool joint in the drilling of down-hole is provided with the hole and can allows when being subjected to than high pulling torque to produce certain deformation, thereby the female adapter second cylindrical hole place can produce certain deformation, can prevent the thread gluing phenomenon of the tool joint under the high pulling torque state, this performance is better than traditional tool joint, the torsional property of drilling system also is greatly improved, and helps the intelligent drilling of deep-well and ultradeep well.
Taking the parameter of following data area all can reach purpose of the present invention: a among other embodiment is 2～3mm, and b is 3～4mm, and c is 6～10mm, and d is 5～10mm, and m is 3～5mm, and n is 3～5.5mm, and f is 8～12mm, e-f≤0.3mm.
Claims (10)
1. a real-time control drilling system that is applicable to deep-well and ultradeep well is characterized in that, described real-time control is bored
Extraction system comprises ground control unit and the shaft bottom drilling-production equipment that connects by transmission medium, and described shaft bottom drilling-production equipment comprises repeater, information processing instrument, drilling rod, drill bit and tool joint;
Described tool joint comprises tool joint box and tool joint pin; In the described tool joint pin
First information connector is arranged, described first information connector comprises the first information contact that is used for the information transmission, described tool joint box comprises and the corresponding second information connector of described first information connector that the described second information connector comprises the second information contact;
Between described first information contact and the described second information contact is separate, can form a plurality of
Transmission channel.
2. real-time control drilling according to claim 1 system is characterized in that, described first information contact has 3 and/or the described second information contact to have 3.
3. real-time control drilling according to claim 1 system is characterized in that, described in the drilling process first
The information connector that information connector and the described second information connector are installed in described tool joint is provided with in the hole.
4. real-time control drilling according to claim 1 system is characterized in that described repeater is arranged at described
The stage casing of drilling rod is used to resend or transmit data-signal.
5. real-time control drilling according to claim 1 system, it is characterized in that, described information processing instrument is arranged at the top of described drill bit, and described information processing instrument is testing arrangement, pulse remote sensor or resistance device, is used for the down-hole and sets up with described ground control unit and exchange.
6. real-time control drilling according to claim 1 system is characterized in that described ground control unit is solid
Fix on the oil well place, comprise signal transmitting and receiving and treating apparatus, screen display device.
7. real-time control drilling according to claim 1 system, it is characterized in that, described tool joint pin comprises the second outer circular bead surface that is positioned at the top and by circular bead surface outside described tool joint pin outer wall first face of cylinder that circular bead surface sets gradually backward outside described second, external screw thread, second face of cylinder and first, also be provided with the secondary signal transmission channel on the described tool joint pin, and described second outer circular bead surface one side is provided with the second information connector that is communicated with described secondary signal transmission channel the hole is set;
Described tool joint box comprises the circular bead surface that is positioned at the top and by circular bead surface outside described tool joint box inwall second cylindrical hole that circular bead surface sets gradually backward outside described, internal thread, first cylindrical hole and the radially outer the 3rd, also be provided with first signal transmission passage on the described tool joint box, and circular bead surface one side is provided with the first information connector that is communicated with described first signal transmission passage hole is set in described;
When described tool joint box is connected with described external screw thread by described internal thread fully with described tool joint pin, the described first outer circular bead surface matches with the described the 3rd outer circular bead surface, described second cylindrical hole matches with described first face of cylinder, described first cylindrical hole matches with described second face of cylinder, circular bead surface matches with the described second outer circular bead surface in described, and encircles the described first information connector of establishing on the described interior circular bead surface and the described second outer circular bead surface respectively and hole and the described second information connector are set the hole is set is interconnected;
Be provided with stress-relief groove between the described first outer circular bead surface and described second face of cylinder;
The cross sectional shape and the degree of depth of described first signal transmission passage and described secondary signal transmission channel are identical, its section
The width a of face is 2～3mm, and its degree of depth b is 3～4mm.
8. real-time control drilling according to claim 7 system is characterized in that the described second information connector
The distance that hole and described externally threaded inwall are set is m, and m is 3～5mm; Described first information connector is provided with the hole
With the distance of the described internal thread second cylindrical hole inwall be n, n is 3～5.5mm.
9. real-time control drilling according to claim 7 system is characterized in that, the described second outer circular bead surface
Breadth of section is that the thickness of described tool joint pin one end is f, and f is 8～12mm;
The inwall of female adapter is e to the distance between the second cylindrical hole inwall, e-f≤0.3mm.
10. the real-time control drilling system that requires according to claim 7 is characterized in that described first information connector
The hole is set with the described second information connector the big or small identical of hole is set, its degree of depth is c, and c is 6～10mm, width
Be d, d is 5～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105232172A CN101975057A (en) | 2010-10-28 | 2010-10-28 | Real-time control drilling and production system for deep and ultra-deep wells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105232172A CN101975057A (en) | 2010-10-28 | 2010-10-28 | Real-time control drilling and production system for deep and ultra-deep wells |
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| Publication Number | Publication Date |
|---|---|
| CN101975057A true CN101975057A (en) | 2011-02-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105232172A Pending CN101975057A (en) | 2010-10-28 | 2010-10-28 | Real-time control drilling and production system for deep and ultra-deep wells |
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| CN (1) | CN101975057A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425408A (en) * | 2012-01-06 | 2012-04-25 | 中国海洋石油总公司 | Underground one-way locking device |
| CN103573257A (en) * | 2012-07-20 | 2014-02-12 | 中国石油天然气集团公司 | Information transmission device for well logging during drilling |
| CN103635655A (en) * | 2011-06-02 | 2014-03-12 | 哈里伯顿能源服务公司 | Optimized pressure drilling with continuous tubing drill string |
| CN103711478A (en) * | 2012-09-29 | 2014-04-09 | 中国石油天然气集团公司 | System and a method for transmitting data |
| CN103883316A (en) * | 2013-12-19 | 2014-06-25 | 天津正本自控系统有限公司 | Intelligent oil extraction control and measurement system |
| CN109165553A (en) * | 2018-07-20 | 2019-01-08 | 中国石油天然气股份有限公司 | Petroleum installations remote sensing automatic identifying method and device based on deep learning |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103635655A (en) * | 2011-06-02 | 2014-03-12 | 哈里伯顿能源服务公司 | Optimized pressure drilling with continuous tubing drill string |
| CN103635655B (en) * | 2011-06-02 | 2016-03-30 | 哈里伯顿能源服务公司 | A kind of method and well system of drilling pit shaft |
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| CN103883316A (en) * | 2013-12-19 | 2014-06-25 | 天津正本自控系统有限公司 | Intelligent oil extraction control and measurement system |
| CN109165553A (en) * | 2018-07-20 | 2019-01-08 | 中国石油天然气股份有限公司 | Petroleum installations remote sensing automatic identifying method and device based on deep learning |
| CN109165553B (en) * | 2018-07-20 | 2020-08-11 | 中国石油天然气股份有限公司 | Petroleum facility remote sensing automatic identification method and device based on deep learning |
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Application publication date: 20110216 |