CN104594851B - Intelligent well cementing equipment - Google Patents
Intelligent well cementing equipment Download PDFInfo
- Publication number
- CN104594851B CN104594851B CN201510052059.XA CN201510052059A CN104594851B CN 104594851 B CN104594851 B CN 104594851B CN 201510052059 A CN201510052059 A CN 201510052059A CN 104594851 B CN104594851 B CN 104594851B
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- CN
- China
- Prior art keywords
- ball float
- depth information
- rfid
- chip
- coil
- 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.)
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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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/134—Bridging plugs
-
- 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
- E21B47/04—Measuring depth or liquid level
Abstract
The invention discloses intelligent well cementing equipment. According to the intelligent well cementing equipment, every two adjacent sleeves are connected through a coupling; each coupling is provided with an RFID (Radio Frequency Identification Device) coupling chip for storing current coupling depth information; a floating ball is fixed above a rubber disc through filler; the filler can be completely decomposed after contacting with water for a preset time, so as to release the floating ball; an RFID floating ball chip is arranged on the floating ball; a circuit system is connected to a depth information reading coil and a floating ball information writing-in coil and is used for reading the depth information in the RFID coupling chip from the current corresponding RFID coupling chip through the depth information reading coil and is also used for writing the finally read depth information into the RFID floating ball chip through the floating ball information writing-in coil when not reading new depth information yet within the preset time. The well cementing equipment disclosed by the invention can be used for realizing automatic uploading of stop position information of a well cementing rubber plug, and the well cementing quality can be conveniently mastered.
Description
Technical field
The present invention relates to oil drilling equipment field, in particular to a kind of intelligent cementing equipment.
Background technology
After the completion of oil and gas well drilling construction, in order to ensure continuation safety drilling below, Reinforcing Shaft, or ensure
The safety drilling of lower part borehole, reaches the purpose in later stage drilling well packing oil, gas and water-bearing layer, will carry out setting of casing and cementing
The cementing operation of slurry.Generally in double plug well cementing operations, under enter cement mortar sprue bushing after sleeve pipe, then in sleeve pipe under enter
Top cement plug, then by displacement fluid sprue bushing, top cement plug is pressed in well and clamp-ons cement mortar and replaces drilling well outside sleeve pipe by supercharging
Liquid.Generally, for preventing cement mortar and drilling fluid mixed, also place a bottom plug in the bottom of cement mortar.
At present, in double plug cementing operations, inject cement mortar after bottom plug G.I.H, cement mortar typically can be by lower glue
Plug is pressed onto float collar position, and being shown as pump pressure increases, and pressurization punctures rear blood pressure lowering.After top cement plug G.I.H, persistently inject displacement fluid
Force feed top cement plug is descending, until pump pressure increases just thinks that top cement plug is contacted with bottom plug.But, if there is displacement fluid to amount
Afterwards, pump pressure does not increase it is impossible to judge whether top cement plug puts in place.The reason this phenomenon occurs be diversified it may be possible on
Plug put in place after blow-by it is also possible to be that top cement plug blow-by leads to do not have descending putting in place in some instances it may even be possible to be the ground of displacement fluid
Face measuring error leads to the displacement fluid not amount of arriving.For ease of subsequent job construction or remedial measure, grasp after displacement fluid puts in place
Top cement plug position is extremely important for well cementing operation.
Content of the invention
The technical problem to be solved is, provide a kind of be capable of cementing plug stop position information from
The dynamic cementing equipment uploading, conveniently grasping cementing quality.
Therefore, technical scheme is as follows:
A kind of intelligent cementing equipment, including more piece sleeve pipe and top cement plug, described top cement plug includes lacquer disk(-sc) and is arranged on described
Ball float on lacquer disk(-sc), ball float information-write-wire circle, depth information read coil, Circuits System, wherein:
Connected by box cupling between adjacent described sleeve pipe, described box cupling is provided with the current box cupling depth information that is stored with
Rfid box cupling chip；
Described ball float is fixed on above described lacquer disk(-sc) by implant, and described implant can contact Preset Time with water
Decompose thus discharging described ball float completely later, described ball float is provided with rfid ball float chip；
Described Circuits System connects to described depth information read coil and described ball float information-write-wire circle, is used for passing through
Described depth information read coil reads the depth information in this rfid box cupling chip from currently corresponding rfid box cupling chip,
And be additionally operable to, when not reading new depth information yet through Preset Time, the last depth information reading is passed through described floating
Ball information-write-wire circle writes described rfid ball float chip.
Cementing equipment in this technical scheme, can carry battery supply, power without additional power source；Using compound
Decompose time delay relieving mechanism, structure is simple, dependable performance；Based on casing coupling deep tag, depth information is true；Ground installation
Simply, no operational risk；After the completion of cement injection operation, cementing quality can be judged according to top cement plug position.
The work of underground part equipment can arrange set of cells, is placed in lacquer disk(-sc) center along plug axis direction, set of cells with
There is clearance space, it is to avoid lacquer disk(-sc) deformation extrudes set of cells between lacquer disk(-sc).Similar with set of cells, Circuits System is also placed in lacquer disk(-sc) center
And have interval, above set of cells.
Braced frame is located above lacquer disk(-sc), has latch structure and is connected with lacquer disk(-sc).It is equipped with depth outside braced frame
Degree information read coil, is equipped with ball float information-write-wire circle inside braced frame.Surrounded in ball float information-write-wire circle
In space, above Circuits System, it is equipped with rfid label along plug axis and carries ball float.Rfid label carries ball float and ball float information
Space between write coil and braced frame by meet the decomposable implant of water fill to braced frame on along maintain an equal level.Rigidity
There is in framework string holes and wire casing, electric wire is by ball float information-write-wire circle and Circuits System, depth information read coil and circuit
System connects.
Described intelligent cementing equipment also includes interconnective ball float tag reading device and ball float tag reader coil,
Described ball float tag reader coil is arranged near on the inwall of the sleeve pipe on ground, and ball float tag reading device is used for by institute
State ball float tag reader coil and read the depth information that on the ball float floating, rfid ball float chip is stored.In this technical scheme
In, the information in rfid ball float chip can be directly read after ball float floats to well head, convenient and swift.
Described ball float tag reader coil rounds installation on the inwall of described sleeve pipe, and the reading of information is more convenient.
Described top cement plug also includes braced frame, is arranged on the upper end of described lacquer disk(-sc), described depth information read coil peace
It is contained on the outer wall of described braced frame, described ball float information-write-wire circle is arranged on the inwall of described braced frame, described
Ball float is fixed on described braced frame by described implant, and structure is relatively reliable.
Brief description
Fig. 1 is the structural representation of intelligent cementing equipment according to embodiments of the present invention；
The structural representation of top cement plug in intelligent cementing equipment according to embodiments of the present invention on Fig. 2.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail.It should be noted that not
In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
As depicted in figs. 1 and 2, intelligent according to an embodiment of the invention cementing equipment, including more piece sleeve pipe 11 and gluing
Plug 12, described top cement plug 12 include lacquer disk(-sc) 20 and the ball float 13 being arranged on described lacquer disk(-sc) 20, ball float information-write-wire circle 15,
Depth information read coil 16, Circuits System 18, wherein:
Connected by box cupling 10 between adjacent described sleeve pipe 11, described box cupling 10 is provided with the current box cupling 10 that is stored with
The rfid box cupling chip of depth information；
Described ball float 13 is fixed on above described lacquer disk(-sc) 20 by implant 14, and described implant 14 can contacted with water
Decompose thus discharging described ball float 13 completely after Preset Time, described ball float 13 is provided with rfid ball float chip；
Described Circuits System 18 connects to described depth information read coil 16 and described ball float information-write-wire circle 15, uses
In being read in this rfid box cupling chip from currently corresponding rfid box cupling chip by described depth information read coil 16
Depth information, and be additionally operable to lead to the last depth information reading when not reading new depth information yet through Preset Time
Cross described ball float information-write-wire circle 15 and write described rfid ball float chip.
Wherein, in Fig. 17 be the borehole wall, 8 be cement mortar, 9 be plug seat, in Fig. 2 21 be sealing ring, 22 be jump ring.
Cementing equipment in this technical scheme, can carry battery supply, power without additional power source；Using compound
Decompose time delay relieving mechanism, structure is simple, dependable performance；Based on casing coupling deep tag, depth information is true；Ground installation
Simply, no operational risk；After the completion of cement injection operation, cementing quality can be judged according to top cement plug position.
The work of underground part equipment can arrange set of cells 19, is placed in lacquer disk(-sc) 20 center, battery along plug axis direction
There is clearance space, it is to avoid lacquer disk(-sc) 20 deformation extrudes set of cells 19 between group 19 and lacquer disk(-sc) 20.Similar with set of cells 19, Circuits System
18 are also placed in lacquer disk(-sc) 20 center and have interval, above set of cells 19.
Braced frame 17 is located above lacquer disk(-sc) 20, has latch structure and is connected with lacquer disk(-sc) 20.Outside braced frame 17
Side has depth information read coil 16, is equipped with ball float information-write-wire circle 15 inside braced frame 17.Write in ball float information
Enter in the space that coil 15 is surrounded, above Circuits System 18, be equipped with rfid label along plug axis and carry ball float 13.Rfid marks
Sign the space carrying between ball float 1 and ball float information-write-wire circle 15 and braced frame 17 to be filled out by meeting the decomposable implant of water 14
It is charged to and maintain an equal level with edge on braced frame 17.There is in braced frame 17 string holes and wire casing, electric wire is by ball float information-write-wire circle 15
It is connected with Circuits System 18 with Circuits System 18, depth information read coil 16.
Described intelligent cementing equipment also includes interconnective ball float tag reading device 4 and ball float tag reader coil
5, described ball float tag reader coil 5 is arranged near on the inwall of the sleeve pipe 11 on ground, and ball float tag reading device 4 is used for
The depth information that on the ball float 13 floating, rfid ball float chip is stored is read by described ball float tag reader coil 5.At this
In technical scheme, the information in rfid ball float chip can be directly read after ball float 13 floats to well head, convenient and swift.
Described ball float tag reader coil 5 rounds installation on the inwall of described sleeve pipe 11, and the reading of information is more square
Just.
Described top cement plug 12 also includes braced frame 17, is arranged on the upper end of described lacquer disk(-sc) 20, and described depth information reads
Coil 16 is arranged on the outer wall of described braced frame 17, and described ball float information-write-wire circle 15 is arranged on described braced frame 17
Inwall on, described ball float 13 is fixed on described braced frame 17 by described implant 14, and structure is relatively reliable.
In a kind of specific embodiment, the specific works mode of the intelligent cementing equipment in the present invention is as follows:
During setting of casing before cement injection, the box cupling connection sleeve pipe with rfid box cupling chip must be used, and
The corresponding depth information of write in all rfid box cupling chips.When inject cement mortar 8 after, under enter intelligence well cementation top cement plug 12,
Reinject displacement fluid 6.Now, implant 14 and displacement fluid 6 start to decompose, and ground handling operator must stable pump pressure persistently injection top
For liquid 6, to ensure before implant 14 is decomposed and finished, intelligence well cementation top cement plug 12 pumping to put in place.General, implant 14
Decomposition rate meets the requirement of most of cementing operation times, such as particular/special requirement, can be lengthened or shortened the axle of braced frame 17
To length to extend or to reduce implant 14 resolving time.
After starting to pump into displacement fluid 6, depth information read coil 16 is in reading state, in real time the rfid outside reading
Box cupling chip receives depth information, and is stored in built-in circuit system 18.Circuits System 18 often receives a new depth information
Just old depth information is covered.
When stopping injection displacement fluid 6, after Circuits System 18 no longer receives new depth information in delay time, that is, recognize
For intelligence well cementation top cement plug 12 stop motion, depth information writes label by ball float information-write-wire circle 15 by Circuits System 18
Carry the built-in rfid label of ball float 13.After thing 14 to be filled decomposes completely, label carries ball float 13 and freely floats up to ground, by
The ball float tag reader coil 5 being placed on near-earth internal surface of sleeve pipe picks up intelligence well cementation top cement plug 12 place depth at present.
In sum, present disclosure is not limited in the above embodiments, and those skilled in the art can be
Within the technological guidance's thought of the present invention, other embodiments are proposed, but this embodiment be included in the scope of the present invention it
Interior.
Claims (4)
1. a kind of intelligent cementing equipment is it is characterised in that include more piece sleeve pipe (11) and top cement plug (12), described top cement plug (12)
Including lacquer disk(-sc) (20) and be arranged on described lacquer disk(-sc) (20) ball float (13), ball float information-write-wire circle (15), depth information read
Line taking circle (16), Circuits System (18), wherein:
Pass through box cupling (10) between adjacent described sleeve pipe (11) to connect, described box cupling (10) is provided with the current box cupling that is stored with
(10) the rfid box cupling chip of depth information；
Described ball float (13) is fixed on above described lacquer disk(-sc) (20) by implant (14), described implant (14) can with water
Decompose thus discharging described ball float (13) completely after contact Preset Time, described ball float (13) is provided with rfid ball float core
Piece；
Described Circuits System (18) connects to described depth information read coil (16) and described ball float information-write-wire circle (15),
For this rfid box cupling chip is read from currently corresponding rfid box cupling chip by described depth information read coil (16)
In depth information, and be additionally operable to the last depth reading letter when not reading new depth information yet through Preset Time
Breath writes described rfid ball float chip by described ball float information-write-wire circle (15).
2. intelligent cementing equipment according to claim 1 is it is characterised in that also include interconnective ball float tag reader
Equipment (4) and ball float tag reader coil (5), described ball float tag reader coil (5) is arranged on the sleeve pipe near ground
(11), on inwall, ball float tag reading device (4) is used for reading, by described ball float tag reader coil (5), the ball float floating
(13) depth information that upper rfid ball float chip is stored.
3. intelligent cementing equipment according to claim 2 is it is characterised in that described ball float tag reader coil (5) is in institute
Round on the inwall stating sleeve pipe (11) installation.
4. intelligent cementing equipment according to any one of claim 1 to 3 is it is characterised in that described top cement plug (12) is gone back
Including braced frame (17), it is arranged on the upper end of described lacquer disk(-sc) (20), described depth information read coil (16) is arranged on described
On the outer wall of braced frame (17), described ball float information-write-wire circle (15) is arranged on the inwall of described braced frame (17),
Described ball float (13) is fixed on described braced frame (17) by described implant (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052059.XA CN104594851B (en) | 2015-02-02 | 2015-02-02 | Intelligent well cementing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052059.XA CN104594851B (en) | 2015-02-02 | 2015-02-02 | Intelligent well cementing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594851A CN104594851A (en) | 2015-05-06 |
| CN104594851B true CN104594851B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510052059.XA Active CN104594851B (en) | 2015-02-02 | 2015-02-02 | Intelligent well cementing equipment |
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| CN (1) | CN104594851B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975847B (en) * | 2015-07-29 | 2017-06-16 | 西南石油大学 | A kind of oil gas well cementation top cement plug position monitoring device and its detection method |
| CN109424356B (en) * | 2017-08-25 | 2021-08-27 | 中国石油化工股份有限公司 | Drilling fluid loss position detection system and method |
| CN112465089B (en) * | 2020-12-10 | 2022-04-22 | 西南石油大学 | System and method for monitoring weight loss process of annular cement slurry |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167870A (en) * | 1997-05-07 | 1997-12-17 | 石油大学(北京) | Method and apparatus for measuring position of cementing plug |
| CN102134990A (en) * | 2011-02-25 | 2011-07-27 | 中国石油集团川庆钻探工程有限公司 | Cement head magnetic induction rubber plug indicator |
| CN103603628A (en) * | 2013-12-11 | 2014-02-26 | 中国石油集团川庆钻探工程有限公司 | Injecting-plugging method during under-well work |
| CN103790550A (en) * | 2012-11-05 | 2014-05-14 | 王震 | Intelligent downhole plug device |
| CN204419116U (en) * | 2015-02-02 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | Intelligence cementing equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6789621B2 (en) * | 2000-08-03 | 2004-09-14 | Schlumberger Technology Corporation | Intelligent well system and method |
-
2015
- 2015-02-02 CN CN201510052059.XA patent/CN104594851B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167870A (en) * | 1997-05-07 | 1997-12-17 | 石油大学(北京) | Method and apparatus for measuring position of cementing plug |
| CN102134990A (en) * | 2011-02-25 | 2011-07-27 | 中国石油集团川庆钻探工程有限公司 | Cement head magnetic induction rubber plug indicator |
| CN103790550A (en) * | 2012-11-05 | 2014-05-14 | 王震 | Intelligent downhole plug device |
| CN103603628A (en) * | 2013-12-11 | 2014-02-26 | 中国石油集团川庆钻探工程有限公司 | Injecting-plugging method during under-well work |
| CN204419116U (en) * | 2015-02-02 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | Intelligence cementing equipment |
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| CN104594851A (en) | 2015-05-06 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Gengpei Inventor after: Zhou Junran Inventor after: Wang Yishan Inventor after: Fan Yongtao Inventor after: Yang Xiaoyong Inventor before: Zhou Junran Inventor before: Zhang Gengpei Inventor before: Wang Yishan Inventor before: Fan Yongtao Inventor before: Yang Xiaoyong |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210809 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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| TR01 | Transfer of patent right |