CN105507877A - Downhole perforation blocking monitoring and solving method - Google Patents
Downhole perforation blocking monitoring and solving method Download PDFInfo
- Publication number
- CN105507877A CN105507877A CN201510966514.7A CN201510966514A CN105507877A CN 105507877 A CN105507877 A CN 105507877A CN 201510966514 A CN201510966514 A CN 201510966514A CN 105507877 A CN105507877 A CN 105507877A
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- perforation
- hampered
- delivery system
- magnetic orientation
- downhole
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 230000000903 blocking effect Effects 0.000 title abstract 5
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000002955 isolation Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011155 quantitative monitoring Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to a downhole perforation blocking monitoring and solving method. Devices used in the method include a cable head, a weight bar, a perforating gun and a grading perforation ground controller, wherein the cable head, the weight bar and the perforating gun are connected together, the cable head is further connected with a tensional magnetic locator and a releaser, and the tensional magnetic locator and the releaser are controlled by a perforation blocking detection release system; the perforation blocking detection release system and the grading perforation ground controller are ground processing parts, and the cable head, the weight bar, the perforating gun, the tensional magnetic locator and the releaser are downhole instrument parts. The downhole perforation blocking monitoring and solving method has the beneficial effects that the underground instrument parts can bear high temperature and high pressure of 175 DEG C and 140 MPa respectively; the ground processing parts adopt a chart to show tension pressure and magnetic locating curves and have a grading release function.
Description
Technical field
The invention belongs to oil field perforation logging equipment systems technology field, particularly relate to and a kind ofly can quantitative monitoring down-hole stressing conditions the downhole perforation carrying out discharging to be hampered monitoring and solution.
Background technology
Perforating technology has had significant progress at home.But at present good solution also be there is no to the perforating process aspect that is hampered.Some oil field domestic is from having introduced release abroad, after perforating process is hampered, normally just take to discharge with this instrument the loss that downhole instrument saves cable and (cannot drag size be judged, this mode can be taked for the purpose of general insurance, compare instrument, the value of cable is larger), but whether have great resistance when being hampered, be discharge exceeding under the pulling force that cable can bear, these are all unknown.And present shooting point ignition technique takes safer more reliable electronic switch substantially, and relatively traditional directly large voltage high-current of taking is substituted gradually for the sparking mode conducting explosive.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and a kind of resistance take the downhole perforation of corresponding measure to be hampered monitoring and solution of being hampered for reaching rational judgment perforating process is provided.
The object of the invention is to have come by following technical solution, comprise cable head, weighted lever, perforating gun and classification perforation ground controller, wherein cable head, weighted lever, perforating gun connect together, described cable head is also connected with tension force magnetic orientation, release, this tension force magnetic orientation, release by perforation be hampered detect delivery system control; Wherein perforation is hampered, and to detect delivery system, classification perforation ground controller be surface processing components, and cable head, weighted lever, perforating gun, tension force magnetic orientation, release are downhole instrument part; Its monitoring and solution comprise as follows:
1), perforation is hampered and detects delivery system, classification perforation ground controller and all adopt single-core cable transmit, and wherein perforation is hampered and detects the power supply mode of delivery system employing negative voltage; The positive voltage of classification perforation ground controller need be isolated and entered perforation and to be hampered detection delivery system, simultaneously controller lower end, classification perforation ground also need this perforation to be hampered the voltage isolation that detects delivery system in case under pass to perforating gun; In the multiple isolation of classification perforation ground controller inside employing, switch means, address, data, perforation order are effectively separated;
2), downhole instrument part and perforation be hampered and detect the telemetry control system that delivery system adopts half duplex communication mode, and address adopts coded system; A pressure in tension force magnetic orientation and magnetic orientation data are also encoded, and the agreement specified by downhole instrument part and surface processing components is uploaded; The signal decoding of surface processing components utilizes production ground at the ripe circuit of application, coordinates DSP or CPLD to complete decoding; Whole process can realize a pressure, the display of magnetic orientation data of tension force magnetic orientation, and the addressing of release, addressing, confirmation command procedure, then realize release;
3), perforation be hampered detect delivery system adopt circuit switch control be presented at whole magnetic orientation data of going into the well in process; Thus obtain depth data.
Special fishing head is equipped with as preferably, described release.
As preferably, described perforation be hampered detect delivery system by the depth system of self expanded function and winch, surface tension, winch show, plotter is engaged togather.
Beneficial effect of the present invention is: downhole instrument part can bear 140Mpa, the HTHP of 175 DEG C; Surface processing components adopts chart display pressure, magnetic orientation curve, has classification release function simultaneously; All functions all concentrate on perforation and are hampered to detect in delivery system and realize, and control ground instrument with perforation and do not conflict; Instrument connects perforation and to be hampered detection delivery system in the process of going into the well, and detects pressure and a magnetic orientation situation; Once be hampered, according to data quantitative, operating personnel judges whether that in enable system, releasing device reaches release function, the safer reality of this method is reliable.
Accompanying drawing explanation
Fig. 1 is conventional perforation combination schematic diagram.
Fig. 2 is perforation combination schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed introduction is done to the present invention: as shown in Figure 2, the present invention includes and comprise cable head, weighted lever, perforating gun and classification perforation ground controller, wherein cable head, weighted lever, perforating gun connect together, described cable head is also connected with tension force magnetic orientation, release, this tension force magnetic orientation, release by perforation be hampered detect delivery system control; Wherein perforation is hampered, and to detect delivery system, classification perforation ground controller be surface processing components, and cable head, weighted lever, perforating gun, tension force magnetic orientation, release are downhole instrument part, wherein perforating gun one-level perforation, secondary perforation and N level perforation respectively.When downhole instrument part meets card, downhole instrument can quantitatively record the power be hampered, and determines whether starting releasing device according to the drag size be subject to; Thus eliminate because the danger of the cable bad of drawing cable to cause by force or fracture, protect cable; Follow-up salvaging program can be carried out by the lower part of the instrument of throwing off and release, can freely salvage.These function i ntegration, to an internal system, are a kind of new method, and conventional has no this similar approach.As shown in Figure 1, namely downhole instrument part is conventional perforation combination: cable head+magnetic orientation+weighted lever+perforating gun, and its perforating gun is one-level perforation, secondary perforation and N level perforation respectively.Under this combination, perforation ground controller only obtains passive magnetic auditory localization cues and is used for school deeply, cannot solve at all, adopt external release directly to discharge at most once be hampered, and cannot quantitative analysis.
Downhole perforation of the present invention be hampered monitoring and solution comprise as follows:
1), this perforation be hampered detect delivery system adopt single-core cable transmission, from security consideration, conflict for avoiding controlling ground instrument with perforation, employing negative voltage power supply mode; Downhole instrument part and perforation are hampered and detect the telemetry control system that delivery system adopts half duplex communication mode, and address adopts coded system; Pressure and magnetic orientation data are also encoded, and the agreement specified by downhole instrument part and ground system is uploaded; The signal decoding on ground utilizes production ground at the ripe circuit of application, coordinates DSP or CPLD to complete decoding; Whole process can realize tension force, the display of magnetic orientation data of downhole instrument, and the command procedure such as addressing, addressing, confirmation of release part, then realizes release;
2), this perforation is hampered and detects the magnetic orientation of delivery system and adopt in the design to switch and control; In actual applications, magnetic orientation all requires display in whole process of going into the well, and perforating job is extremely dangerous operation, so be do not allow power-up operations (even negative electricity does not also allow) at down-hole distance about hundred meters, well head; Passive magnetic orientation must be adopted like this in this section goes into the well process to obtain depth data, and this perforation is hampered and detects delivery system and occur this situation for avoiding, and inner adopts circuit to switch to solve this problem;
3), perforation controls ground instrument and adopts single-core cable transmission, therefore must both sides be independent of each other in implementation process; The positive voltage of perforation ground controller must be isolated and entered perforation and to be hampered detection delivery system, simultaneously instrument lower end also perforation must be hampered the voltage isolation that detects delivery system in case under pass to perforating gun; Adopt multiple isolation, switch means by the effectively separation such as address, data, perforation order in instrument internal;
4), the structure division of downhole instrument part carries out seismic design and security and Reliability Design, have employed earthquake resistant structure in tension force magnetic orientation instrument probe and electronic circuitry part; The seismic design basis of release strengthens security and Reliability Design simultaneously; Especially the material of key position and tension resistance to compression are tested all accordingly.
Described release is equipped with special fishing head, for the salvaging in later stage saves the plenty of time, field produces operating efficiency can be effectively raised.
This perforation is hampered and detects delivery system and leave expanded function, such as consider with the depth system of winch, surface tension, winch show, plotter etc. is connected, this customizes according to the actual demand of client.
The downhole perforation of the present invention all functions be hampered in monitoring and solution all concentrate on perforation and are hampered to detect in delivery system and realize, and control ground instrument with perforation and do not conflict.Instrument connects perforation and to be hampered detection delivery system in the process of going into the well, and detects pressure and a magnetic orientation situation.Once be hampered, according to data quantitative, operating personnel judges whether that in enable system, releasing device reaches release function, the safer reality of this method is reliable.
Be understandable that, for a person skilled in the art, technical scheme of the present invention and inventive concept be equal to and replace or change the protection domain that all should belong to the claim appended by the present invention.
Claims (3)
1. a downhole perforation is hampered monitoring and solution, it is characterized in that: comprise cable head, weighted lever, perforating gun and classification perforation ground controller, wherein cable head, weighted lever, perforating gun connect together, described cable head is also connected with tension force magnetic orientation, release, this tension force magnetic orientation, release by perforation be hampered detect delivery system control; Wherein perforation is hampered, and to detect delivery system, classification perforation ground controller be surface processing components, and cable head, weighted lever, perforating gun, tension force magnetic orientation, release are downhole instrument part; Its monitoring and solution comprise as follows:
1), perforation is hampered and detects delivery system, classification perforation ground controller and all adopt single-core cable transmit, and wherein perforation is hampered and detects the power supply mode of delivery system employing negative voltage; The positive voltage of classification perforation ground controller need be isolated and entered perforation and to be hampered detection delivery system, simultaneously controller lower end, classification perforation ground also need this perforation to be hampered the voltage isolation that detects delivery system in case under pass to perforating gun; In the multiple isolation of classification perforation ground controller inside employing, switch means, address, data, perforation order are effectively separated;
2), downhole instrument part and perforation be hampered and detect the telemetry control system that delivery system adopts half duplex communication mode, and address adopts coded system; A pressure in tension force magnetic orientation and magnetic orientation data are also encoded, and the agreement specified by downhole instrument part and surface processing components is uploaded; The signal decoding of surface processing components utilizes production ground at the ripe circuit of application, coordinates DSP or CPLD to complete decoding; Whole process can realize a pressure, the display of magnetic orientation data of tension force magnetic orientation, and the addressing of release, addressing, confirmation command procedure, then realize release;
3), perforation be hampered detect delivery system adopt circuit switch control be presented at whole magnetic orientation data of going into the well in process; Thus obtain depth data.
2. downhole perforation according to claim 1 be hampered monitoring and solution, it is characterized in that: described release is equipped with special fishing head.
3. downhole perforation according to claim 1 is hampered monitoring and solution, it is characterized in that: described perforation be hampered detect delivery system by the depth system of self expanded function and winch, surface tension, winch show, plotter is engaged togather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966514.7A CN105507877B (en) | 2015-12-18 | 2015-12-18 | A kind of downhole perforation is hampered monitoring and solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966514.7A CN105507877B (en) | 2015-12-18 | 2015-12-18 | A kind of downhole perforation is hampered monitoring and solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105507877A true CN105507877A (en) | 2016-04-20 |
| CN105507877B CN105507877B (en) | 2018-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510966514.7A Active CN105507877B (en) | 2015-12-18 | 2015-12-18 | A kind of downhole perforation is hampered monitoring and solution |
Country Status (1)
| Country | Link |
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| CN (1) | CN105507877B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727298A (en) * | 2017-11-23 | 2018-02-23 | 川南航天能源科技有限公司 | Perforation single-core cable underground tension force real-time monitoring system and its monitoring method |
| CN108825180A (en) * | 2018-06-13 | 2018-11-16 | 西安奥瑞普瑞电子科技有限公司 | A kind of oil well perforation trajectory observing and controlling positioning system and its observing and controlling localization method |
| CN110005404A (en) * | 2019-05-13 | 2019-07-12 | 重庆科技学院 | A kind of Horizontal Well magnetic marker positioning device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003599A (en) * | 1997-09-15 | 1999-12-21 | Schlumberger Technology Corporation | Azimuth-oriented perforating system and method |
| EP1020616A2 (en) * | 1998-12-04 | 2000-07-19 | Halliburton Energy Services, Inc. | Cable head for coiled tubing |
| CN103244100A (en) * | 2013-04-27 | 2013-08-14 | 盘锦辽河油田裕隆实业集团有限公司 | Miniature tension logging instrument |
| CN203271693U (en) * | 2013-05-14 | 2013-11-06 | 西安通源石油科技股份有限公司 | Orientation and perforation device for second well descending of cable conveying |
| CN203702042U (en) * | 2013-12-24 | 2014-07-09 | 杭州瑞利声电技术公司 | Downhole releasing mechanism |
| CN204532320U (en) * | 2015-02-28 | 2015-08-05 | 中国石油天然气股份有限公司 | Ball seat packing many showers hole fracturing string |
| CN204591248U (en) * | 2015-03-25 | 2015-08-26 | 中国海洋石油总公司 | A kind of one-parameter tension force logging instrument |
-
2015
- 2015-12-18 CN CN201510966514.7A patent/CN105507877B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003599A (en) * | 1997-09-15 | 1999-12-21 | Schlumberger Technology Corporation | Azimuth-oriented perforating system and method |
| EP1020616A2 (en) * | 1998-12-04 | 2000-07-19 | Halliburton Energy Services, Inc. | Cable head for coiled tubing |
| CN103244100A (en) * | 2013-04-27 | 2013-08-14 | 盘锦辽河油田裕隆实业集团有限公司 | Miniature tension logging instrument |
| CN203271693U (en) * | 2013-05-14 | 2013-11-06 | 西安通源石油科技股份有限公司 | Orientation and perforation device for second well descending of cable conveying |
| CN203702042U (en) * | 2013-12-24 | 2014-07-09 | 杭州瑞利声电技术公司 | Downhole releasing mechanism |
| CN204532320U (en) * | 2015-02-28 | 2015-08-05 | 中国石油天然气股份有限公司 | Ball seat packing many showers hole fracturing string |
| CN204591248U (en) * | 2015-03-25 | 2015-08-26 | 中国海洋石油总公司 | A kind of one-parameter tension force logging instrument |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727298A (en) * | 2017-11-23 | 2018-02-23 | 川南航天能源科技有限公司 | Perforation single-core cable underground tension force real-time monitoring system and its monitoring method |
| CN108825180A (en) * | 2018-06-13 | 2018-11-16 | 西安奥瑞普瑞电子科技有限公司 | A kind of oil well perforation trajectory observing and controlling positioning system and its observing and controlling localization method |
| CN110005404A (en) * | 2019-05-13 | 2019-07-12 | 重庆科技学院 | A kind of Horizontal Well magnetic marker positioning device |
| CN110005404B (en) * | 2019-05-13 | 2022-06-21 | 重庆科技学院 | Horizontal well underground magnetic marker positioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105507877B (en) | 2018-07-27 |
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Address after: No. 96, Xihu District Huaxing Road, Xihu District, Hangzhou, Zhejiang Applicant after: Hangzhou Ruili electroacoustic technology Co., Ltd. Address before: No. 96, Xihu District Huaxing Road, Xihu District, Hangzhou, Zhejiang Applicant before: Hangzhou Ruili Acoustoelectric Technology Co., Ltd. |
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