CN106672808A - Oil pipe length measuring device and method and oil pipe assembling and disassembling system - Google Patents
Oil pipe length measuring device and method and oil pipe assembling and disassembling system Download PDFInfo
- Publication number
- CN106672808A CN106672808A CN201611078096.9A CN201611078096A CN106672808A CN 106672808 A CN106672808 A CN 106672808A CN 201611078096 A CN201611078096 A CN 201611078096A CN 106672808 A CN106672808 A CN 106672808A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- length measuring
- lifting mechanism
- measuring device
- decentralization
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/06—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an oil pipe length measuring device and method and an oil pipe assembling and disassembling system comprising the oil pipe length measuring device. The oil pipe length measuring device comprises a tension detection part used for detecting bearing force of a lifting hook of a lifting mechanism, a length measuring part used for detecting the moving distance of the lifting hook, and a controller connected with the tension detection part and the length measuring part. The controller is used for judging whether the lifting mechanism lifts an oil pipe or not according to a tension value measured by the tension detection part, and obtaining the lowering or ascending depth of the oil pipe according to information whether the oil pipe is lifted or not or a measurement value of the length measuring part. The oil pipe length measuring device utilizes the tension value detected by the tension detection part to judge whether the lifting mechanism lifts the oil pipe or not, then the length of the oil pipe is obtained, use is conveniently, moreover, no any part of the oil pipe length measuring device is installed on the well mouth or lowered into a well, the influence of well mouth conditions is avoided, and measuring is accurate.
Description
Technical field
The present invention relates to well recovery technical field, more particularly to a kind of oil pipe length measuring device and method and oil
Pipe disassembly system.
Background technology
Coiled tubing is widely used in the well workover of oil well, fracturing work, in order to job demand generally needs to know oil pipe
Length, yet with oil well as deep as several kms, oil pipe decentralization depth in the earth formation is difficult measurement.
At present, typically there are static measurement and on-line dynamic measurement mode.Static measurement is that (having manually draw volume by measuring
Chi, infrared laser measurement) oil pipe bar on the ground is put, carry out the cumulative mode of artificial or computer and realize.Dynamic
On-line measurement is divided into contact again or contactless mode is measured, and non-contact measurement is developing progressively as trend, current survey
Amount mode mainly has following several:
1. the upper and lower distance of grating scale direct measurement suspension hook, installs pressure transducer and is judged by well head;
2. laser infrared line direct measurement suspension hook moves down distance from top, installs pressure transducer by well head and is sentenced
It is disconnected;
3., by the displacement for installing friction wheel measurement lifting rope on lifting rope, obtain suspension hook moves down distance, in well head
Pressure transducer is installed to be judged;
4. two band spring friction pulleys, a fixed pinch rollers are mounted directly on oil pipe, by upper and lower proximity switch, pinch roller
On rotary encoder realize length computation;
5. by laser doppler, laser is directly penetrated on oil-pipe external wall, detect oil pipe displacement and box cupling
Position, realizes length computation.
However, due to occurring near well head, cas fortuit is more, and well head Jing often has greasy filth to cover, and easily affects to be arranged on well
The use of the measurement device of mouth, leads to not measure or measure inaccurate.
The content of the invention
Based on this, it is necessary to which providing one kind is not affected by well head situation, measures accurate oil pipe length measuring device.
A kind of pipeline assembling system of offer is provided.
A kind of oil pipe length measuring method of offer is provided.
A kind of oil pipe length measuring device, including for detect the suspension hook bearing capacity of lifting mechanism pull force calculation part, use
In detecting the long part of survey of the suspension hook displacement and be connected to the controller of the pull force calculation part and the long part of the survey;Its
In, the value of thrust that the controller is used to be measured according to the pull force calculation part judges whether the lifting mechanism hangs load oil pipe,
And according to whether the measured value for hanging the information and long part of the survey for carrying oil pipe obtains the decentralization of oil pipe or rises depth.
This oil pipe length measuring device can determine whether whether lifting mechanism hangs load using the value of thrust that pull force calculation part is detected
Oil pipe, and then the length of oil pipe is obtained accordingly, it is very convenient, and oil pipe length measuring device does not have any part to be installed on well head
Or drop in oil well, do not affected and measured accurately by well head situation.
Wherein in an embodiment, the pull force calculation part is pulling force sensor.
It is described to survey long part including proximity switch wherein in an embodiment.
Wherein in an embodiment, the oil pipe length measuring device also includes human-computer interaction device, the man-machine interaction
Device is connected with the controller, for man-machine interaction.
Wherein in an embodiment, the controller is additionally operable to the decentralization according to each oil pipe for obtaining or rising depth calculation
Total decentralization of the multiple-tubing string for entirely being linked together rises depth.
A kind of pipeline assembling system, including lifting mechanism and above-mentioned oil pipe length measuring device.
This pipeline assembling system can determine whether whether lifting mechanism hangs load oil pipe using the value of thrust that pull force calculation part is detected,
And then accordingly obtain oil pipe length, it is very convenient, and oil pipe length measuring device do not have any part be installed on well head or under
Drop in oil well, do not affected and measured accurately by well head situation.
Wherein in an embodiment, the lifting mechanism also includes fuselage and the hoisting mechanism located at the fuselage, described
Hoisting mechanism includes reel and is wound in the steel wire rope of the reel, and the suspension hook is located at the steel wire rope, and the long part of the survey is used
In the rotating signal for detecting the reel to obtain the rope closing or rope stretching length of the steel wire rope according to the rotating signal, and then
Obtain the displacement of the suspension hook.
Wherein in an embodiment, the pull force calculation part is located at the steel wire rope of the lifting mechanism, for obtaining
The pulling force that the steel wire rope bears is so as to obtaining the bearing capacity of the suspension hook.
A kind of oil pipe length measuring method, comprises the following steps:
Oil pipe is mounted on lifting mechanism and is lifted by crane, while detecting the pulling force that the oil pipe that the lifting mechanism is carried applies;
Tension variations situation according to detecting judges whether the lifting mechanism hangs load oil pipe;
The distance of measurement oil pipe oil pipe movement during lifting;
According to the lifting mechanism whether hang carry oil pipe information and oil pipe movement distance obtain oil pipe decentralization or on
Rise depth.
The value of thrust that this oil pipe length measuring method detection oil pipe applies can determine whether whether lifting mechanism hangs load oil pipe, enter
And the length of oil pipe is obtained accordingly, it is very convenient, and any part need not be installed in well head or dropped in oil well, not by well
Mouth situation affects and measures accurate.
Wherein in an embodiment, according to obtain each oil pipe decentralization or rise depth calculation be entirely connected to one
Total decentralization of the multiple-tubing string for rising rises depth.
Description of the drawings
Fig. 1 is the structural representation of pipeline assembling system better embodiment of the present invention;
Fig. 2 is the schematic diagram of two kinds of different conditions of pipeline assembling system shown in Fig. 1;And
Fig. 3 is the flow diagram of oil pipe length measuring method of the present invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element between the two.When an element is considered as " connection " another element, it can be direct
It is connected to another element or may be simultaneously present element between the two.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items of pass.
Fig. 1 is referred to, the pipeline assembling system of present pre-ferred embodiments includes lifting mechanism 10 and oil pipe length measuring
Device.Lifting mechanism 10 includes that for hanging the suspension hook for carrying oil pipe A oil pipe length measuring device is included for detecting suspension hook bearing capacity
Pull force calculation part 20, the long part 30 of survey for detecting suspension hook displacement and be connected to pull force calculation part 20 and survey long part 30
Controller 50.Wherein, the value of thrust that controller 50 is used to be measured according to pull force calculation part 20 judges whether lifting mechanism 10 hangs load
Oil pipe A, and according to whether the measured value for hanging the information for carrying oil pipe A and surveying long part 30 obtains the decentralization of oil pipe A or rises depth, i.e.,
" tubing length " of the needs measurement described in the present invention.
This pipeline assembling system and oil pipe length measuring device can determine whether using the value of thrust that pull force calculation part 20 is detected
Whether lifting mechanism 10 hangs load oil pipe A, and then the length of acquisition oil pipe A accordingly, very convenient, and oil pipe length measuring device does not have
There is any part to be installed on well head or drop in oil well, do not affected and measured accurately by well head situation.
In the present embodiment, whether the value of thrust that controller 50 is used to be measured according to pull force calculation part 20 judges lifting mechanism 10
Hang load oil pipe A to be specially:Controller 50 is used for when the pulling force for detecting is gradually increased until stable from 0, judges lifting mechanism
10 start to hang load oil pipe, and controller 50 is used for when the pulling force for detecting gradually decreases to 0 from a stationary value, judges lifting machine
Structure 10 starts to unload oil pipe, thus judges whether lifting mechanism 10 hangs load oil pipe A.
In the present embodiment, lifting mechanism 10 also includes fuselage 100 and the hoisting mechanism located at fuselage 100, hoisting mechanism bag
Include reel 102 and be wound in the steel wire rope 104 of reel 102, suspension hook is located at steel wire rope 104.Long part 30 is surveyed for detecting reel 102
Rotating signal to obtain the rope closing or rope stretching length of steel wire rope 104 according to rotating signal, and then obtain the displacement of suspension hook.
Specifically, surveying long part 30 includes being located at the proximity switch of fuselage 100, and proximity switch is used for the root in the rotation process of reel 102
Pulse signal is sent according to the rotation situation of reel 102 and then obtain above-mentioned rotating signal.Arteries and veins of the controller 50 according to proximity switch
Rush signal and the number of turns that reel 102 is turned over be obtained, further according to reel 102 diameter can calculate steel wire rope 104 rope closing or
Rope stretching length.
More specifically, surveying the multiple tooth flywheel that long part 30 also includes being coaxially disposed with reel 102, proximity switch correspondence is multiple tooth to fly
Take turns and set.Multiple tooth flywheel has n tooth, and the angle between every two neighboring tooth is 360/n °, when proximity switch successively sends two
Pulse signal, illustrates that reel 102 has turned over 360/n °, the like.More specifically, the quantity of proximity switch is two, so
The rotation direction of reel 102 can be differentiated.
In the present embodiment, pull force calculation part 20 obtains what steel wire rope 104 bore located at the steel wire rope 104 of lifting mechanism 10
Pulling force can obtain the bearing capacity of suspension hook.As shown in Fig. 2 when oil pipe A needs down tube, in the first state, suspension hook be in compared with
High position, oil pipe A is located at oil well top, and the end of oil pipe A is hung on suspension hook, at this moment, by oil pipe A and another oil of lower section
Pipe B connects, and now the oil pipe B of lower section is sitting at wellhead slip, and hoisting mechanism does not stress, and at this moment controller 50 can determine whether oil pipe A
State in beginning preparing for declining;Rear hoisting mechanism work is connected, oil pipe A is connected with another oil pipe of lower section, suspension hook
Bearing capacity be gradually increased until from 0 it is stable, the pulling force correspondence that pull force calculation part 20 is measured from 0 be gradually increased to one it is stable
Value;Then suspension hook is gradually reduced, when dropping to the second state, the bearing capacity of suspension hook from being stably gradually reduced until 0, pull force calculation
The pulling force correspondence that part 20 is measured gradually decreases to 0 from a stationary value, and oil pipe A is sitting at wellhead slip, and at this moment controller 50 can
Judge that oil pipe A has dropped to position;Meanwhile, in this time, displacement L that long part 30 measures suspension hook is surveyed, this is oil apart from L
The decentralization of pipe A rises depth.It is appreciated that principle is identical when playing pipe.Specifically, the one end of steel wire rope 104 is before driver's cabin
End, is then set around the wheel on crane arm top and is connected with suspension hook, then around being set on reel 102.
Specifically, pull force calculation part 20 can be pulling force sensor.
In the present embodiment, controller 50 is additionally operable to the decentralization of each oil pipe according to acquisition or rising depth calculation is obtained entirely
Total decentralization of the multiple-tubing string for linking together rises depth.It should be noted that due to needing between two neighboring oil pipe
Connection certain distance, that is, oil pipe total decentralization or rise depth and be not equal to the total length of all oil pipes, if directly
Each tubing length is added and there is error, and due to easily there is error during connection, even from experience the length of connection is cut
, can also there is error in degree.The decentralization of each oil pipe of direct measurement of the present invention rises depth, there is no above-mentioned error, measures more accurate
Really.
In the present embodiment, oil pipe length measuring device also includes human-computer interaction device 70, human-computer interaction device 70 and control
Device 50 connects, for showing tubing length or manually compensating the man-machine interactions such as input.
The present invention also provides a kind of oil pipe length measuring that tubing length is measured using above-mentioned oil pipe length measuring device
Method, comprises the following steps:
S12:Oil pipe A is mounted on lifting mechanism 10 and is lifted by crane, while detecting the oil pipe A applyings that lifting mechanism 10 is carried
Pulling force;
S14:Tension variations situation according to detecting judges whether lifting mechanism 10 hangs load oil pipe A;
S16:The distance of measurement oil pipe A oil pipe A movements during lifting;
S18:The distance that the information and oil pipe A movement for carrying oil pipe A whether is hung according to lifting mechanism 10 obtains the decentralization of oil pipe A
Or rising depth.
The value of thrust that this oil pipe length measuring method detection oil pipe applies can determine whether whether lifting mechanism 10 hangs load oil pipe,
The length of oil pipe A is further obtained accordingly, it is very convenient, and any part need not be installed in well head or dropped in oil well, no
Affected and measured accurately by well head situation.
Specifically, step S14 is specially:When the pulling force for detecting is gradually increased until stable from 0, lifting mechanism 10 is opened
Beginning hangs load oil pipe, and when the pulling force for detecting gradually decreases to 0 from a stationary value, lifting mechanism 10 starts to unload oil pipe, by
This judges whether lifting mechanism 10 hangs load oil pipe A.
In the present embodiment, oil pipe length measuring method also includes step:
S20:According to the decentralization of each oil pipe for obtaining or rise the multiple-tubing string A that entirely linked together of depth calculation
Total decentralization or rise depth.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of oil pipe length measuring device, it is characterised in that:Including for detecting the pulling force of the suspension hook bearing capacity of lifting mechanism
Detection piece, the long part of survey for detecting the suspension hook displacement and it is connected to the control of the pull force calculation part and the long part of the survey
Device processed;Wherein, the value of thrust that the controller is used to be measured according to the pull force calculation part judges whether the lifting mechanism hangs
Oil pipe is carried, and according to whether the measured value for hanging the information and long part of the survey for carrying oil pipe obtains the decentralization of oil pipe or rises depth.
2. oil pipe length measuring device according to claim 1, it is characterised in that the pull force calculation part is pull sensing
Device.
3. oil pipe length measuring device according to claim 1, it is characterised in that the long part of the survey includes proximity switch.
4. oil pipe length measuring device according to claim 1, it is characterised in that described also including human-computer interaction device
Human-computer interaction device is connected with the controller, for man-machine interaction.
5. oil pipe length measuring device according to claim 1, it is characterised in that the controller is additionally operable to according to acquisition
Each oil pipe decentralization or rise the total decentralization of multiple-tubing string or rise depth that depth calculation entirely linked together.
6. a kind of pipeline assembling system, including lifting mechanism, it is characterised in that also include such as claim 1-5 any one institute
The oil pipe length measuring device stated.
7. pipeline assembling system according to claim 6, it is characterised in that the lifting mechanism also includes fuselage and is located at
The hoisting mechanism of the fuselage, the hoisting mechanism includes reel and is wound in the steel wire rope of the reel, and the suspension hook is located at
The steel wire rope, the long part of the survey is used to detect the rotating signal of the reel to obtain the steel wire according to the rotating signal
The rope closing or rope stretching length of rope, and then obtain the displacement of the suspension hook.
8. pipeline assembling system according to claim 7, it is characterised in that the pull force calculation part is located at the lifting machine
The steel wire rope of structure, for the bearing capacity for obtaining pulling force that the steel wire rope bears so as to obtain the suspension hook.
9. a kind of oil pipe length measuring method, it is characterised in that comprise the following steps:
Oil pipe is mounted on lifting mechanism and is lifted by crane, while detecting the pulling force that the oil pipe that the lifting mechanism is carried applies;
Tension variations situation according to detecting judges whether the lifting mechanism hangs load oil pipe;
The distance of measurement oil pipe oil pipe movement during lifting;
The distance that the information and oil pipe movement for carrying oil pipe whether is hung according to the lifting mechanism obtains the decentralization of oil pipe or rises deep
Degree.
10. oil pipe length measuring method according to claim 9, it is characterised in that according to the decentralization of each oil pipe for obtaining
Or rise total decentralization of the multiple-tubing string that depth calculation is entirely linked together or rise depth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611078096.9A CN106672808B (en) | 2016-11-29 | 2016-11-29 | Oil pipe length measuring device and method and pipeline assembling system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611078096.9A CN106672808B (en) | 2016-11-29 | 2016-11-29 | Oil pipe length measuring device and method and pipeline assembling system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106672808A true CN106672808A (en) | 2017-05-17 |
CN106672808B CN106672808B (en) | 2018-02-23 |
Family
ID=58867353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611078096.9A Active CN106672808B (en) | 2016-11-29 | 2016-11-29 | Oil pipe length measuring device and method and pipeline assembling system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106672808B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030075361A1 (en) * | 1997-10-27 | 2003-04-24 | Halliburton Energy Services | Well system |
CN200946499Y (en) * | 2006-09-27 | 2007-09-12 | 张成国 | On-line continuous detection instrument for length for lowering or lifting oil pipe for oil field dowhole operation |
CN102374854A (en) * | 2011-11-02 | 2012-03-14 | 中国船舶重工集团公司第七一〇研究所 | Cable length monitoring device |
CN202937766U (en) * | 2012-11-28 | 2013-05-15 | 褚万泉 | Mechanical rope wheel |
CN104210976A (en) * | 2014-08-18 | 2014-12-17 | 上海中联重科桩工机械有限公司 | Method and system for detecting load stroke of hoisting steel rope and hoisting control mechanism |
CN104528463A (en) * | 2015-01-21 | 2015-04-22 | 山东省科学院自动化研究所 | Method for accurately measuring cable winding and unwinding length and synchronous controller |
CN105350954A (en) * | 2015-11-05 | 2016-02-24 | 中国电子科技集团公司第二十二研究所 | Time-depth acquisition method and device for conveying drill strings to logging instrument |
-
2016
- 2016-11-29 CN CN201611078096.9A patent/CN106672808B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030075361A1 (en) * | 1997-10-27 | 2003-04-24 | Halliburton Energy Services | Well system |
CN200946499Y (en) * | 2006-09-27 | 2007-09-12 | 张成国 | On-line continuous detection instrument for length for lowering or lifting oil pipe for oil field dowhole operation |
CN102374854A (en) * | 2011-11-02 | 2012-03-14 | 中国船舶重工集团公司第七一〇研究所 | Cable length monitoring device |
CN202937766U (en) * | 2012-11-28 | 2013-05-15 | 褚万泉 | Mechanical rope wheel |
CN104210976A (en) * | 2014-08-18 | 2014-12-17 | 上海中联重科桩工机械有限公司 | Method and system for detecting load stroke of hoisting steel rope and hoisting control mechanism |
CN104528463A (en) * | 2015-01-21 | 2015-04-22 | 山东省科学院自动化研究所 | Method for accurately measuring cable winding and unwinding length and synchronous controller |
CN105350954A (en) * | 2015-11-05 | 2016-02-24 | 中国电子科技集团公司第二十二研究所 | Time-depth acquisition method and device for conveying drill strings to logging instrument |
Also Published As
Publication number | Publication date |
---|---|
CN106672808B (en) | 2018-02-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7882902B2 (en) | Top drive interlock | |
CN104295288B (en) | petroleum drilling well depth measuring system and method | |
US8035374B1 (en) | Pipe stress detection tool using magnetic barkhausen noise | |
RU2327868C2 (en) | Method for detecting localisation of sticking point in drilling pipes with use of measuring their permeability | |
US4459752A (en) | Precision tubular length measuring system | |
US9376906B2 (en) | Downhole cable sensor | |
AU2012324813B2 (en) | Identifying forces in a well bore | |
MX2010009440A (en) | Method and apparatus for controlled bidirectional movement of an oilfield tool in a wellbore environment. | |
MX2010010651A (en) | System and method for tracking origins of produce. | |
US20030042897A1 (en) | Sucker rod dimension measurement and flaw detection system | |
NL1041646B1 (en) | Real-time tracking of bending fatigue in coiled tubing | |
CN207541062U (en) | A kind of water quality detecting device used for geological prospecting | |
US20230073307A1 (en) | Wellbore friction measurement, method and apparatus | |
GB2564252A (en) | Drilling system and method | |
CN105229259A (en) | Monitoring borehole data and transmission borehole data are to ground | |
CA2622717C (en) | Method and apparatus for communicating signals to an instrument in a wellbore | |
CN101774509A (en) | System for automatic control of distance between object and ground and control method thereof | |
CN206417789U (en) | Oil pipe length measuring device and pipeline assembling system | |
CN106672808B (en) | Oil pipe length measuring device and method and pipeline assembling system | |
CN102733797A (en) | Safe pulling-out indicator | |
CN1267714C (en) | Magnetic-sensitive detecting method for judging oil well steel sleeve stress distribution | |
RU2187638C2 (en) | Method of measurement of length of interconnected long bodies lowered into well by rope winch provided with weigher | |
CN203794524U (en) | Winch and tractor hoist | |
US20220333481A1 (en) | Down hole measurement system | |
CN110513102B (en) | Method for measuring stuck point in casing in petroleum engineering operation process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |