CN204419162U - Downhole tool positioning and orientation system - Google Patents
Downhole tool positioning and orientation system Download PDFInfo
- Publication number
- CN204419162U CN204419162U CN201520072402.2U CN201520072402U CN204419162U CN 204419162 U CN204419162 U CN 204419162U CN 201520072402 U CN201520072402 U CN 201520072402U CN 204419162 U CN204419162 U CN 204419162U
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- positioning
- directing
- location
- box cupling
- downhole tool
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Abstract
The utility model discloses a kind of downhole tool positioning and orientation system, the directed pipe nipple of underground location is connected with other downhole tool at the end of coiled tubing, the outer wall of the directed pipe nipple of underground location is provided with positioning and directing label reader, and the information read is sent to aboveground by the control cables in coiled tubing by positioning and directing label reader; Connected by positioning and directing casing coupling between adjacent sleeve pipe, box cupling identification exterior loop is arranged on the axial location be connected on the inwall being arranged on box cupling main body on the outer wall of box cupling main body, by axial location RFID label tag and reads interior loop, box cupling identification exterior loop is used for coordinating with positioning and directing label reader the depth information reading and store in axial location RFID label tag, multiple direction and location slot tag is provided with on the inwall of box cupling main body, on a radial section, direction positioning label, installs in direction and location slot tag correspondingly.Downhole tool positioning and orientation system positioning and directing precision in the utility model is high, easy to operate.
Description
Technical field
The utility model relates to oil drilling equipment field, in particular to a kind of downhole tool positioning and orientation system.
Background technology
The operations such as the pressure break in underground work, test, well testing, well workover require in sleeve pipe, to carry out accurate positioning and directing to downhole tool mostly, as location also operation by mistake, will cause damage.Usual underground location uses cable positioning and directing, as the orientation of perforation tool in the location of deep-well separate stratum fracfturing construction tool, completion practice.Due to the special construction of cable, its downhole tool that can carry is very limited, and construction cost is higher.
When the underground work place degree of depth is larger, under to enter oil pipe longer, deadweight is comparatively large, and tensile elongation is difficult to calculate, and easily location is inaccurate.When tradition oil pipe removes operating cost and risk is higher, along with widely using of coiled tubing, how carry out accurately location with coiled tubing and become the key issue that coiled tubing deeply applies.Due to the positioning and directing technology that coiled tubing is also imperfect, the underground work relating to positioning and directing is difficult to use coiled tubing to operate.
At present, underground location widely uses sleeve pipe magnetic orientation pipe nipple and positions, and detects magnetic direction and carries out orientation.Owing to using Magnetic oriented directed, positioning precision affects by magnetic field intensity and environmental disturbances, is often difficult to ensure precision in actual location positioning operation.
Utility model content
Technical problem to be solved in the utility model is, provides the downhole tool positioning and orientation system that a kind of positioning and directing precision is high, easy to operate.
Therefore, the technical solution of the utility model is as follows:
A kind of downhole tool positioning and orientation system, comprises more piece sleeve pipe, underground location directed pipe nipple, coiled tubing and multiple positioning and directing casing coupling, wherein:
The directed pipe nipple of described underground location is connected with other downhole tool at the end of described coiled tubing, the outer wall of the directed pipe nipple of described underground location is provided with positioning and directing label reader, and the information read is sent to aboveground by the control cables in described coiled tubing by described positioning and directing label reader;
Connected by described positioning and directing casing coupling between adjacent sleeve pipe, described positioning and directing casing coupling comprises box cupling main body, box cupling identification exterior loop, axial location reads interior loop, axial location RFID label tag and multiple directions positioning label, described box cupling identification exterior loop is arranged on the outer wall of described box cupling main body, the described axial location be connected to by described axial location RFID label tag on the inwall being arranged on described box cupling main body reads interior loop, described box cupling identification exterior loop is used for the described depth information by writing current positioning and directing casing coupling in described axial location RFID label tag, described box cupling identification exterior loop is used for coordinating with described positioning and directing label reader the depth information reading and store in described axial location RFID label tag, on the inwall of described box cupling main body, a radial section is provided with multiple direction and location slot tag, described direction positioning label, install in described direction and location slot tag correspondingly, the identifying information of difference and other direction and location labels is all carried in each direction and location label.
In this technical scheme, can be that downhole tool positioning and orientation system is powered and realizes electrical communication, system power good by control cables, without the need to balancing cell group, and Realtime Capability of Communication between ground and underground location orientation system be good; According to localizing objects search location, positioning precision is high, without the need to magnetic orientation oriented detection device; Use box cupling tag identification technologies, eliminate the possibility of location by mistake; For general positioning and directing instrument, all kinds of downhole tool can be carried, complete positioning and directing and downhole tool operation simultaneously; Multiple fine of can once going into the well determines position, without the location number of times limit.
Further, described axial location reads interior loop circumferentially annular spread on the inwall of described box cupling main body, and it is convenient, reliable that positioning and directing label reader reads information.
Positioning and directing circuit is also provided with in the directed pipe nipple of described underground location, described positioning and directing label reader is connected to described control cables by described positioning and directing circuit, and described positioning and directing circuit is used for when the depth information that described positioning and directing label reader reads reaches preset value to discharge signal under aboveground transmission stopping.
Described positioning and directing circuit also for reading default positioning and directing label at described positioning and directing label reader, time to aboveground transmission halt-transfer signal.
Described downhole tool positioning and orientation system also comprises ground controller and Operation Tubing Aggregate, described ground controller is connected to described positioning and directing circuit and described Operation Tubing Aggregate by described control cables, for stopping transferring described coiled tubing receiving under described stopping Operation Tubing Aggregate described in discharge signal time control system, and also to stop the rotation described coiled tubing for controlling described Operation Tubing Aggregate when receiving described halt-transfer signal.
Pass through the utility model, current oil gas well completion can be solved to cement the well the location of the downhole tool faced and the larger technical barrier of orientation error, realize by all kinds of instrument hi-Fix entered under coiled tubing and orientating function, finally complete the operational motion needed for various downhole tool, reduce operation and tool damage risk by mistake simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the downhole tool positioning and orientation system according to the utility model embodiment;
Fig. 2 is the structural representation of positioning and directing casing coupling in Fig. 1;
Fig. 3 is Fig. 2 middle and high end A-A sectional view;
Fig. 4 is the structural representation of the directed pipe nipple of underground location in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As shown in Figures 1 to 4, according to the downhole tool positioning and orientation system of embodiment of the present utility model, comprise more piece sleeve pipe, underground location directed pipe nipple 8, coiled tubing 7 and multiple positioning and directing casing coupling 10, wherein:
The directed pipe nipple 8 of described underground location is connected with other downhole tool 9 at the end of described coiled tubing 7, the outer wall of the directed pipe nipple 8 of described underground location is provided with positioning and directing label reader 22, and the information read is sent to aboveground by the control cables 2 in described coiled tubing 7 by described positioning and directing label reader 22;
Connected by described positioning and directing casing coupling 10 between adjacent sleeve pipe, described positioning and directing casing coupling 10 comprises box cupling main body 11, box cupling identification exterior loop 13, axial location reads interior loop 15, axial location RFID label tag 12 and multiple directions positioning label 16, 17, 18, 19, described box cupling identification exterior loop 13 is arranged on the outer wall of described box cupling main body 11, the described axial location be connected to by described axial location RFID label tag 12 on the inwall being arranged on described box cupling main body 11 reads interior loop 15, described box cupling identification exterior loop 13 is for the described depth information by writing current positioning and directing casing coupling 10 in described axial location RFID label tag 12, described box cupling identification exterior loop 13 is for coordinating with described positioning and directing label reader 22 depth information reading and store in described axial location RFID label tag 12, on the inwall of described box cupling main body 11, a radial section is provided with multiple direction and location slot tag 14, described direction positioning label 16, 17, 18, 19 install in described direction and location slot tag 14 correspondingly, each direction and location label 16, 17, 18, difference and other direction and location labels 16 are all carried in 19, 17, 18, the identifying information of 19.
Wherein, in Fig. 1 to Fig. 4,2 is control cables, and 3 is cable pipe eliminator, and 4 is surface line, and 5 is other ground installations, and 20 is control cables interface.
In this technical scheme, can be powered for downhole tool positioning and orientation system by control cables 2 and realize electrical communication, system power good, without the need to balancing cell group, and Realtime Capability of Communication between ground and underground location orientation system be good; According to localizing objects search location, positioning precision is high, without the need to magnetic orientation oriented detection device; Use box cupling tag identification technologies, eliminate the possibility of location by mistake; For general positioning and directing instrument, all kinds of downhole tool can be carried, complete positioning and directing and downhole tool operation simultaneously; Multiple fine of can once going into the well determines position, without the location number of times limit.
Further, described axial location reads interior loop 15 circumferentially annular spread on the inwall of described box cupling main body 11, and it is convenient, reliable that positioning and directing label reader 22 reads information.
Positioning and directing circuit 21 is also provided with in the directed pipe nipple 8 of described underground location, described positioning and directing label reader 22 is connected to described control cables 2 by described positioning and directing circuit 21, discharge signal under stopping to aboveground transmission when described positioning and directing circuit 21 reaches preset value for the depth information read at described positioning and directing label reader 22.
Described positioning and directing circuit 21 also for reading default positioning and directing label 16,17,18 at described positioning and directing label reader 22, to aboveground transmission halt-transfer signal when 19.
Described downhole tool positioning and orientation system also comprises ground controller 1 and Operation Tubing Aggregate 6, described ground controller 1 is connected to described positioning and directing circuit 21 and described Operation Tubing Aggregate 6 by described control cables 2, for stopping transferring described coiled tubing 7 receiving under described stopping Operation Tubing Aggregate 6 described in discharge signal time control system, and also to stop the rotation described coiled tubing 7 for controlling described Operation Tubing Aggregate 6 when receiving described halt-transfer signal.
Pass through the utility model, current oil gas well completion can be solved to cement the well the location of the downhole tool faced and the larger technical barrier of orientation error, realize by all kinds of instrument hi-Fix entered under coiled tubing and orientating function, finally complete the operational motion needed for various downhole tool, reduce operation and tool damage risk by mistake simultaneously.
Ground controller 1 is connected with Operation Tubing Aggregate 6 by control cables 2, the transferring of control coiled tubing 7, on mention rotary manipulation; Ground controller 1 is connected by the control cables interface 20 on directed pipe nipple 8 inwall of control cables 2 and underground location, provides power supply and realize upper and lower communication function for positioning and directing circuit 21.The control cables 2 be connected with the directed pipe nipple 8 of underground location is placed in coiled tubing 7, is connected after umbilical eliminator 3 is derived with ground controller 1.
According to drilling process well logging result, in the cased process of well cementation, needing the oil-bearing layer or position, special aquifer use positioning and directing casing coupling 10 splicing sleeve that carry out follow-up underground work, and by box cupling identification exterior loop 13 by the degree of depth and formation information write axial location RFID label tag 12.
First, under enter coiled tubing 7 before, positioning and directing pipe nipple 8 and downhole tool 9 under coiled tubing 7 end mounting shaft, connection control cable 2 and positioning and directing pipe nipple 8.Ground system test by rear, under enter coiled tubing 7.
The directed pipe nipple 8 of underground location and downhole tool enter in process 9 times, and positioning and directing circuit 21 controls positioning and directing tag reader coil 22 to be continued to read external signal.By ground controller, the stratum for locating or depth information are inputted ground controller 1, the axial location detected on positioning and directing casing coupling 10 inwall when positioning and directing tag reader coil 22 in position fixing process reads interior loop 15, extract the degree of depth and formation information that axial location RFID label tag 12 comprises, after positioning and directing circuit 21 confirms that this degree of depth is required emplacement depth, through control cables 2 earthward controller 1 send Stop message.Ground controller 1 controls Operation Tubing Aggregate 6 through control cables 2 to be stopped transferring coiled tubing 7.Complete positioning function.
Reads the distance length of interior loop 15 according to direction positioning label groove 14 and axial location, control Operation Tubing Aggregate 6 by ground controller 1 and slowly transfer coiled tubing 7 to direction positioning label groove 14 and be made in position, rotation coiled tubing 7.When positioning and directing circuit 21 detects the direction positioning label 16,17,18,19 at target direction place, stop the rotation.The anglec of rotation needed for underground work, stops the rotation after continuing to rotate continuous thoughts 7 to assigned direction.Complete orientating function.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but this embodiment is all included within scope of the present utility model.
Claims (5)
1. a downhole tool positioning and orientation system, is characterized in that, comprises more piece sleeve pipe, the directed pipe nipple (8) of underground location, coiled tubing (7) and multiple positioning and directing casing coupling (10), wherein:
The directed pipe nipple (8) of described underground location is connected with other downhole tool (9) at the end of described coiled tubing (7), the outer wall of the directed pipe nipple (8) of described underground location is provided with positioning and directing label reader (22), and the information read is sent to aboveground by the control cables (2) in described coiled tubing (7) by described positioning and directing label reader (22);
Connected by described positioning and directing casing coupling (10) between adjacent sleeve pipe, described positioning and directing casing coupling (10) comprises box cupling main body (11), box cupling identification exterior loop (13), axial location reads interior loop (15), axial location RFID label tag (12) and multiple directions positioning label (16, 17, 18, 19), described box cupling identification exterior loop (13) is arranged on the outer wall of described box cupling main body (11), the described axial location be connected to by described axial location RFID label tag (12) on the inwall being arranged on described box cupling main body (11) reads interior loop (15), described box cupling identification exterior loop (13) is for the described depth information by the current positioning and directing casing coupling (10) of write in described axial location RFID label tag (12), described box cupling identification exterior loop (13) is for coordinating the depth information reading and store in described axial location RFID label tag (12) with described positioning and directing label reader (22), on the inwall of described box cupling main body (11), a radial section is provided with multiple direction and location slot tag (14), described direction positioning label (16, 17, 18, 19) install correspondingly in described direction and location slot tag (14), each direction and location label (16, 17, 18, 19) difference and other direction and location labels (16 are all carried in, 17, 18, 19) identifying information.
2. downhole tool positioning and orientation system according to claim 1, is characterized in that, described axial location reads interior loop (15) circumferentially annular spread on the inwall of described box cupling main body (11).
3. downhole tool positioning and orientation system according to claim 1, it is characterized in that, positioning and directing circuit (21) is also provided with in the directed pipe nipple (8) of described underground location, described positioning and directing label reader (22) is connected to described control cables (2) by described positioning and directing circuit (21), discharge signal under stopping to aboveground transmission when described positioning and directing circuit (21) reaches preset value for the depth information read described positioning and directing label reader (22).
4. downhole tool positioning and orientation system according to claim 3, it is characterized in that, described positioning and directing circuit (21) is also for reading default positioning and directing label (16 described positioning and directing label reader (22), 17,18,19) to aboveground transmission halt-transfer signal time.
5. downhole tool positioning and orientation system according to claim 4, it is characterized in that, also comprise ground controller (1) and Operation Tubing Aggregate (6), described ground controller (1) is connected to described positioning and directing circuit (21) and described Operation Tubing Aggregate (6) by described control cables (2), for stopping transferring described coiled tubing (7) receiving under described stopping Operation Tubing Aggregate (6) described in discharge signal time control system, and also to stop the rotation described coiled tubing (7) for controlling described Operation Tubing Aggregate (6) when receiving described halt-transfer signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072402.2U CN204419162U (en) | 2015-02-02 | 2015-02-02 | Downhole tool positioning and orientation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072402.2U CN204419162U (en) | 2015-02-02 | 2015-02-02 | Downhole tool positioning and orientation system |
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| Publication Number | Publication Date |
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| CN204419162U true CN204419162U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520072402.2U Expired - Fee Related CN204419162U (en) | 2015-02-02 | 2015-02-02 | Downhole tool positioning and orientation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888566A (en) * | 2016-06-02 | 2016-08-24 | 青岛中瑞泰软控技术有限公司 | Electronic tag fixing device for oil gas drilling exploitation pipe rod |
| CN106150483A (en) * | 2016-06-23 | 2016-11-23 | 中国石油集团川庆钻探工程有限公司 | Gas well Operating Pressure string collar recognition methods |
| CN108288086A (en) * | 2018-04-08 | 2018-07-17 | 东营杰开智能科技有限公司 | A kind of cylindricality tubing coupling special tags and its installation method |
| CN109057787A (en) * | 2018-10-11 | 2018-12-21 | 青岛大地新能源技术研究院 | Controllable perforating site physical analogy pit shaft experimental provision and its application method |
| CN113389529A (en) * | 2020-03-11 | 2021-09-14 | 中石化石油工程技术服务有限公司 | Cable conveying oil pipe perforating device |
| CN116291390A (en) * | 2023-05-24 | 2023-06-23 | 威海晶合数字矿山技术有限公司 | Medium-length hole detection device |
-
2015
- 2015-02-02 CN CN201520072402.2U patent/CN204419162U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888566A (en) * | 2016-06-02 | 2016-08-24 | 青岛中瑞泰软控技术有限公司 | Electronic tag fixing device for oil gas drilling exploitation pipe rod |
| CN106150483A (en) * | 2016-06-23 | 2016-11-23 | 中国石油集团川庆钻探工程有限公司 | Gas well Operating Pressure string collar recognition methods |
| CN108288086A (en) * | 2018-04-08 | 2018-07-17 | 东营杰开智能科技有限公司 | A kind of cylindricality tubing coupling special tags and its installation method |
| CN109057787A (en) * | 2018-10-11 | 2018-12-21 | 青岛大地新能源技术研究院 | Controllable perforating site physical analogy pit shaft experimental provision and its application method |
| CN113389529A (en) * | 2020-03-11 | 2021-09-14 | 中石化石油工程技术服务有限公司 | Cable conveying oil pipe perforating device |
| CN113389529B (en) * | 2020-03-11 | 2023-01-24 | 中石化石油工程技术服务有限公司 | Cable conveying oil pipe perforating device |
| CN116291390A (en) * | 2023-05-24 | 2023-06-23 | 威海晶合数字矿山技术有限公司 | Medium-length hole detection device |
| CN116291390B (en) * | 2023-05-24 | 2023-08-15 | 威海晶合数字矿山技术有限公司 | Medium-length hole detection device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20180202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |