CN106150483A - Gas well Operating Pressure string collar recognition methods - Google Patents
Gas well Operating Pressure string collar recognition methods Download PDFInfo
- Publication number
- CN106150483A CN106150483A CN201610462386.7A CN201610462386A CN106150483A CN 106150483 A CN106150483 A CN 106150483A CN 201610462386 A CN201610462386 A CN 201610462386A CN 106150483 A CN106150483 A CN 106150483A
- Authority
- CN
- China
- Prior art keywords
- string
- operating pressure
- gas well
- collar
- tubing string
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
Abstract
The invention discloses a kind of gas well Operating Pressure string collar recognition methods, including: by measuring the positional information of three distributed points of tubing string outer surface, calculate the diameter of lower tubular column in real time, when string collar is through out-of-date, the tubing string diameter value calculating presents obvious step response, thus identifies string collar.String collar identification device that the present invention has higher reliability and stability, that disclosure satisfy that gas well Operating Pressure field working conditions, instructs gas well Operating Pressure construction operation, reduces operating risk, improves operating efficiency.
Description
Technical field
The present invention relates to a kind of string collar recognition methods, particularly relate to a kind of gas well Operating Pressure string collar identification side
Method.
Background technology
Gas well Operating Pressure technology is a kind of in the case of gas well mouth is with pressure, uses Operating Pressure equipment to complete tubing string and exists
Rountrip in pit shaft, thus implement the underground work technology of well stimulation.During with pressure lower tubular column, string collar
Part rountrip is committed step.Mesohigh gas well Operating Pressure generally uses the movable sealing that upper and lower ram preventer builds
System carries out wellhead sealing, and when removing string collar, operating personnel need to first determine whether string collar, then according to technological process
Control corresponding upper and lower ram preventer opening and closing, make string collar part pass through well head movable sealing system, it is achieved whole string tubing string
Rountrip.As operating personnel can not accurately identify string collar, easily make flashboard blowout prevention when with pressure lower tubular column operation
Device blocks string collar, the generation of the complicated down-hole accident such as cause that tubing string comes off.
At present, the mechanical type tubing collar detection device appearing on the market all uses mechanical spring type structure, such as Publication No.
CN100999993, publication date is the machinery that the Chinese patent literature on July 18th, 2007 discloses a kind of oil-water well workover treatment
Formula Operating Pressure string collar detects device, by housing, exploring block, detection wheel, roller mandrel, detection plunger, compression bullet
Spring, regulating piston, plug, exploring block housing, spacing ring, displacement transmission lever, displacement transmission guide pad, sensor guide holder,
Sensor stand, form close to displacement transducer, attachment screw, sealing ring, protective cover and bolt, nut, left and right two in housing
Side respectively arrange symmetrically one group by exploring block housing, detection wheel, roller mandrel, spacing ring, detection plunger, compression spring,
The exploring block that regulating piston, plug combination are constituted, housing is externally provided with connected displacement transmission lever, displacement transmission guides
Block, sensor guide holder, sensor stand and close to displacement transducer, be provided with protective cover, exploring block outside Sensor section
Being connected with housing by bolt, nut and being fixed as one, sensor guide holder is connected with exploring block housing with support screw
Connect.This apparatus structure is compact, easy to operate, utilizes it can improve oil water well working with pressure efficiency.This class mechanical type box cupling is known
Other device designs mainly for oil water well working with pressure, owing to tubing string swings often at rountrip, and the False Rate of box cupling identification
Higher, service life is shorter, and on-the-spot actual application is less, and operating personnel typically judge still according to experience.
Content of the invention
It is an object of the invention to the problems referred to above overcoming prior art to exist, a kind of gas well Operating Pressure tubular pipe connection is provided
Hoop recognition methods.Tubing string that the present invention has higher reliability and stability, that disclosure satisfy that gas well Operating Pressure field working conditions
Box cupling identification device, instructs gas well Operating Pressure construction operation, reduces operating risk, improves operating efficiency.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of gas well Operating Pressure string collar recognition methods, it is characterised in that: by measurement three distributed points of tubing string outer surface
Positional information, calculated the diameter of lower tubular column in real time, when string collar is through out-of-date, the tubing string diameter value of calculating presents bright
Aobvious step response, thus identify string collar.
Described method specifically includes following steps:
A, range measurement: air line distance a of measurement tubing string outer surface 4, b, c, d；
B, data screening: from 4 range data of measurement, filter out arbitrarily effective 3 range data；
D, external diameter calculate: set up coordinate system, calculate tubing string external diameter R according to 3 range data that step b filters out；
D, box cupling differentiate: when the tubing string external diameter R calculating sets threshold value more than certain, it determines go out string collar.
The identification device that described method relates to includes test nipple joint, range sensor and control device, test nipple joint in
Hollow cylindrical, range sensor is at least three, and at least three range sensor is along the radially uniform distribution of test nipple joint, control
Device includes data acquisition unit and controller, and data acquisition unit one end is connected with range sensor, and the other end is connected with controller,
Range sensor is for measuring the tubing string positional information by test nipple joint, and data acquisition unit gathers the pipe of range sensor measurement
Post positional information is simultaneously sent to controller, and controller is according to tubing string positional information identification string collar.
Described range sensor is four, symmetrical is fixed on test nipple joint.
Described test nipple joint is symmetrical on same circumference is provided with four installation through holes, and range sensor is fixedly installed
In through hole is installed.
The two ends of described test nipple joint are flange plate structure.
Described control device also includes power supply and alarm lamp, and power supply is connected with data acquisition unit and controller respectively,
Alarm lamp is connected with controller.
Described data acquisition unit, power supply, controller are arranged in explosion-proof control box.
Described range sensor is when measuring the tubing string positional information by test nipple joint, and tubing string is with test nipple joint inwall not
Contact.
Employing it is an advantage of the current invention that:
1st, the present invention has higher reliability and stability, disclosure satisfy that the string collar identification of gas well Operating Pressure field working conditions
Device, can instruct gas well Operating Pressure construction operation, reduces operating risk, improves operating efficiency.
2nd, the present invention has a simple in construction, processing ease, intuitive display, uses failure rate is low, service life the advantage such as length,
The gas well Operating Pressure of sizes tubing string all can be suitable for, there is very wide application prospect.
3rd, range sensor of the present invention can use laser distance sensor, and permeable transparent window measures tubing string appearance
The air line distance that face is 4.
4th, in the present invention, described range sensor is four, symmetrical is fixed on test nipple joint, and sensor uses superfluous
Remaining design, in the case of one group of sensor degradation, device remains to normally work.
5th, after using the present invention, tubing string is swung and causes tubing string to remain in the case of not placed in the middle normally work, the scope of application
Extensively, it is capable of identify that sizes string collar.
6th, compared with mechanical detection device, electric device has higher stability and service life, pacifies installation and dismantling
Unload convenient and swift.
Brief description
Fig. 1 is recognition principle figure of the present invention
Fig. 2 is present configuration schematic diagram
Fig. 3 is test nipple joint cross-sectional view of the present invention
Being labeled as in figure: the 1st, test nipple joint, the 2nd, range sensor, the 3rd, data acquisition unit, the 4th, controller, the 5th, power supply, the 6th, reporting to the police refers to
Show lamp.
Detailed description of the invention
Embodiment 1
A kind of gas well Operating Pressure string collar recognition methods, comprising: by measuring the position of three distributed points of tubing string outer surface
Information, has calculated the diameter of lower tubular column in real time, and when string collar is through out-of-date, the tubing string diameter value of calculating presents obvious step
Response, thus identify string collar.
Described method specifically includes following steps:
A, range measurement: air line distance a of measurement tubing string outer surface 4, b, c, d；
B, data screening: from 4 range data of measurement, filter out arbitrarily effective 3 range data；
D, external diameter calculate: set up coordinate system, calculate tubing string external diameter R according to 3 range data that step b filters out；
D, box cupling differentiate: when the tubing string external diameter R calculating sets threshold value more than certain, it determines go out string collar.
The identification device that described method relates to includes test nipple joint the 1st, range sensor 2 and control device, test nipple joint 1
In hollow cylindrical, range sensor 2 is at least three, at least three range sensor along the radially uniform distribution of test nipple joint,
Control device includes data acquisition unit 3 and controller 4, and data acquisition unit 3 one end is connected with range sensor 2, the other end and control
Device 4 processed connects, and range sensor 2 is for measuring the tubing string positional information by test nipple joint 1, and data acquisition unit 3 gathers distance
Sensor 2 measurement tubing string positional information and be sent to controller 4, controller 4 is according to tubing string positional information identification string collar.
The preferred embodiment of the present embodiment is, described range sensor 2 is four, symmetrical is fixed on test nipple joint
On 1.
Further, described test nipple joint 1 is symmetrical on same circumference is provided with four installation through holes, Distance-sensing
Device 2 is fixedly installed in installation through hole.
The another preferred embodiment of the present embodiment is, the two ends of described test nipple joint 1 are flange plate structure.
The another preferred embodiment of the present embodiment is, described control device also includes power supply 5 and alarm lamp 6, electricity
Source 5 is connected with data acquisition unit 3 and controller 4 respectively, and alarm lamp 6 is connected with controller 4.
The another preferred embodiment of the present embodiment is, described data acquisition unit the 3rd, power supply the 5th, controller 4 is arranged on explosion-proof
In control cabinet.
In the present embodiment, described range sensor measurement by the tubing string positional information of test nipple joint when, tubing string and survey
Examination pipe nipple inwall does not contacts.
The air line distance of tubing string outer surface 4 measured by range sensor, i.e. recognizable by wherein three range data
Go out string collar, more standby.The present invention relates to the computational methods that device used is prior art, does not says at this
Bright.
Embodiment 2
With reference to Figure of description 13, the 2nd, it mainly controlled the part groups such as device by test nipple joint the 1st, range sensor to identify device
Become.
Test nipple joint 1 uses Double-face flange to design, and can be directly connected to install with well head ram preventer or conversion four-way；
Range sensor 2 is arranged in the installing hole on test nipple joint, installs the form using transparent material to make and seals internal pressure,
Range sensor 2 can pass through the air line distance that transparent window measures tubing string outer surface 4；Control device is mainly by data acquisition
Storage the 3rd, power supply the 5th, controller 4 and alarm lamp 6 form, and wherein data acquisition unit the 3rd, power supply the 5th, controller 4 is arranged on explosion-proof
In control cabinet, reach the requirement of explosion proof of onsite application；Power supply 5 is powered for electrical equipment, and data acquisition unit 3 Real-time Collection distance passes
The range data of sensor 2 measurement, the range data gathering is processed by controller 4 in real time, computer tube column diameter.When string collar warp
Out-of-date, the tubing string diameter value of calculating presents obvious step response, thus identifies string collar, and driving warning is referred to by controller
Showing that lamp works, alarm string collar arrives.
Claims (9)
1. a gas well Operating Pressure string collar recognition methods, it is characterised in that: by measurement tubing string outer surface three distribution
The positional information of point, has calculated the diameter of lower tubular column in real time, and when string collar is through out-of-date, the tubing string diameter value of calculating presents
Obvious step response, thus identify string collar.
2. gas well Operating Pressure string collar recognition methods according to claim 1, it is characterised in that: described method is concrete
Comprise the steps:
A, range measurement: air line distance a of measurement tubing string outer surface 4, b, c, d；
B, data screening: from 4 range data of measurement, filter out arbitrarily effective 3 range data；
D, external diameter calculate: set up coordinate system, calculate tubing string external diameter R according to 3 range data that step b filters out；
D, box cupling differentiate: when the tubing string external diameter R calculating sets threshold value more than certain, it determines go out string collar.
3. gas well Operating Pressure string collar recognition methods according to claim 1 and 2, it is characterised in that: described method
The identification device relating to includes test nipple joint (1), range sensor (2) and control device, and test nipple joint (1) is in hollow cylinder
Shape, range sensor (2) is at least three, and at least three range sensor (2) is along the radially uniform distribution of test nipple joint (1), control
Device processed includes data acquisition unit (3) and controller (4), and data acquisition unit (3) one end is connected with range sensor (2), another
End is connected with controller (4), and range sensor (2) is for measuring the tubing string positional information by test nipple joint (1), data acquisition
Device (3) gathers range sensor (2) the tubing string positional information measured and is sent to controller (4), and controller (4) is according to tubing string position
Confidence breath identifies string collar.
4. gas well Operating Pressure string collar recognition methods according to claim 3, it is characterised in that: described Distance-sensing
Device (2) is four, symmetrical is fixed on test nipple joint (1).
5. gas well Operating Pressure string collar recognition methods according to claim 4, it is characterised in that: described test nipple joint
(1) on same circumference symmetrical be provided with four install through holes, range sensor (2) be fixedly installed on installation through hole in.
6. gas well Operating Pressure string collar recognition methods according to claim 5, it is characterised in that: described test nipple joint
(1) two ends are flange plate structure.
7. gas well Operating Pressure string collar recognition methods according to claim 6, it is characterised in that: described control device
Also including power supply (5) and alarm lamp (6), power supply (5) is connected with data acquisition unit (3) and controller (4) respectively, and warning refers to
Show that lamp (6) is connected with controller (4).
8. gas well Operating Pressure string collar recognition methods according to claim 7, it is characterised in that: described data acquisition
Device (3), power supply (5), controller (4) are arranged in explosion-proof control box.
9. gas well Operating Pressure string collar recognition methods according to claim 8, it is characterised in that: described Distance-sensing
Device is when measuring the tubing string positional information by test nipple joint, and tubing string does not contacts with test nipple joint inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610462386.7A CN106150483A (en) | 2016-06-23 | 2016-06-23 | Gas well Operating Pressure string collar recognition methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610462386.7A CN106150483A (en) | 2016-06-23 | 2016-06-23 | Gas well Operating Pressure string collar recognition methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106150483A true CN106150483A (en) | 2016-11-23 |
Family
ID=57353607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610462386.7A Pending CN106150483A (en) | 2016-06-23 | 2016-06-23 | Gas well Operating Pressure string collar recognition methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106150483A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729907A (en) * | 2018-05-04 | 2018-11-02 | 盐城工学院 | A kind of Intelligent joint closes coupling alarming device and its application method |
| CN109138990A (en) * | 2018-09-27 | 2019-01-04 | 大连理工大学盘锦产业技术研究院 | A kind of universal servo-actuated redundancy intelligence collar detecting device of oil field Operating Pressure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050055163A1 (en) * | 2001-12-12 | 2005-03-10 | Cooper Cameron Corporation | Borehole equipment position detection system |
| CN100999993A (en) * | 2007-01-10 | 2007-07-18 | 辽河石油勘探局 | Mechanical pipe pole connecting hoop detecting apparatus for working with pressure |
| CN201953376U (en) * | 2011-01-30 | 2011-08-31 | 沈阳新松机器人自动化股份有限公司 | Tubing coupling detecting device |
| CN103649461A (en) * | 2011-07-11 | 2014-03-19 | 韦尔泰克有限公司 | Positioning method |
| CN203515566U (en) * | 2013-08-30 | 2014-04-02 | 松原市国泰石油科技服务有限公司 | Tubing coupling detector |
| CN104736796A (en) * | 2012-08-23 | 2015-06-24 | 阿伦·米切尔·卡尔森 | Apparatus and method for sensing a pipe coupler within an oil well structure |
| CN204419162U (en) * | 2015-02-02 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | Downhole tool positioning and orientation system |
-
2016
- 2016-06-23 CN CN201610462386.7A patent/CN106150483A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050055163A1 (en) * | 2001-12-12 | 2005-03-10 | Cooper Cameron Corporation | Borehole equipment position detection system |
| CN100999993A (en) * | 2007-01-10 | 2007-07-18 | 辽河石油勘探局 | Mechanical pipe pole connecting hoop detecting apparatus for working with pressure |
| CN201953376U (en) * | 2011-01-30 | 2011-08-31 | 沈阳新松机器人自动化股份有限公司 | Tubing coupling detecting device |
| CN103649461A (en) * | 2011-07-11 | 2014-03-19 | 韦尔泰克有限公司 | Positioning method |
| CN104736796A (en) * | 2012-08-23 | 2015-06-24 | 阿伦·米切尔·卡尔森 | Apparatus and method for sensing a pipe coupler within an oil well structure |
| CN203515566U (en) * | 2013-08-30 | 2014-04-02 | 松原市国泰石油科技服务有限公司 | Tubing coupling detector |
| CN204419162U (en) * | 2015-02-02 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | Downhole tool positioning and orientation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729907A (en) * | 2018-05-04 | 2018-11-02 | 盐城工学院 | A kind of Intelligent joint closes coupling alarming device and its application method |
| CN109138990A (en) * | 2018-09-27 | 2019-01-04 | 大连理工大学盘锦产业技术研究院 | A kind of universal servo-actuated redundancy intelligence collar detecting device of oil field Operating Pressure |
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Application publication date: 20161123 |
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