CN101300402A - Monitoring formation properties - Google Patents
Monitoring formation properties Download PDFInfo
- Publication number
- CN101300402A CN101300402A CNA2006800407878A CN200680040787A CN101300402A CN 101300402 A CN101300402 A CN 101300402A CN A2006800407878 A CNA2006800407878 A CN A2006800407878A CN 200680040787 A CN200680040787 A CN 200680040787A CN 101300402 A CN101300402 A CN 101300402A
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- Prior art keywords
- sensor
- pressure
- equipment
- tubular piece
- well
- 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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- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 title abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims description 16
- 239000004568 cement Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010304 firing Methods 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 description 14
- 230000007774 longterm Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
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
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
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- 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
- E21B43/119—Details, e.g. for locating perforating place or direction
-
- 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
- E21B47/06—Measuring temperature or pressure
Landscapes
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Measuring Fluid Pressure (AREA)
- Geophysics And Detection Of Objects (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Glass Compositions (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A method for monitoring pressure in a formation traversed by at least one wellbore comprising providing a tubular element having an outside surface, attaching a perforating gun oriented in such a way that when fired, the perforating gun does not damage the tubular element, connecting a sensor to the perforating gun in close proximity to the perforating gun wherein the sensor is exposed to the wellbore, inserting the tubular element into the wellbore, securing the tubular element in the wellbore, firing the perforating gun to penetrate the formation, exposing the sensor to the formation pressure, and monitoring the pressure in the formation with the sensor to obtain pressure data.
Description
Technical field
The present invention relates to be used for monitor the method and apparatus of the character on the stratum of crossing by at least one well.
Background technology
In oil and gas industry, the strata pressure of the porous interval on fluid sampling and the drilled stratum of measurement can provide the output oil on valuable formation information and stratum and/or the ability of gas.Strata pressure is that engineer, geologist and petrophysicist are used for describing the mobility of oil-gas Layer and assess one of key property of reserves.Can collect formation pressure data with the unit interval in the whole lifetime of well, perhaps can the long term monitoring formation pressure data.Ideally, the operator is ready to obtain the real-time pressure figure of the whole lifetime of well, optimizes to help to produce.
Can use several different methods to measure strata pressure.The most frequently used method is operation wired formation pressure test device (FPT) in barefoot completion or liner-type well completion.This method need pierce the stratum or perforation in sleeve pipe.The FPT method is good in permeable formation work; Yet it is restricted to a number pressure strong point at the appointed time.Because what be difficult to determine the pressure measxurement reflection is pressure after original formation pressure or the completion, is desirable so obtain a plurality of data points.In addition, carry out a large amount of for a long time identifications that allow to be used for pressure depletion of measuring, even real original formation pressure the unknown.
In the stratum than hyposmosis of densification, traditional FPT method has limitation, because this method cost plenty of time is recovered (build up) to strata pressure with pressure.In addition owing to tend to occur usually said supercharging phenomenon, this method in the stratum than inaccuracy.Pressurization is the increase of the strata pressure of wellbore, and the result is exposed under the elevated pressures from mud used in the drilling process.In supercharged reservoirs, mud cake can not fully keep the drilling fluid in the well, causes the drilling fluid earth penetrating and forms the higher-pressure region or " supercharging " district.Use the FPT method may need extrapolation in these cases or generate inaccurate number pressure strong point, described number pressure strong point is between mud pressure and the strata pressure.
The another kind of method of using in tight formation is a diagnostic formation injection test method (DFIT).In the method, the stratum is pressurized, surpass anallobar and produce stratum breaking, and monitoring decline turns back to the pressure of strata pressure.Usually in ground survey pressure and accuracy within a few percent psi (pounds per square foot).Also measurer can be placed on the down-hole to obtain more accurate measurement; Yet,, obtain 100psi and remain a difficult problem with interior accurate measurement at tight formation.
Long-term build-up is the another kind of method that is used to measure strata pressure.This moment long-term (several weeks or some months) closing well, and when current formation pressure is got back in the pressure recovery gaging pressure.When using the DFIT method, can be on ground or the down-hole measure, but two kinds of methods all need closing well not produce.Long-term build-up method generates the data point of the pressure of a whole well of expression traditionally.In principle, can obtain chart, may force operator's abandoned well or depend on detachable bridge plug (retrievable bridge plug) but do like this by placing many measurers between the bridging plug in sleeve pipe.Long-term build-up method also may be damaged the globality of sleeve pipe, because sleeve pipe must be by perforation to realize the connection between measurer and the stratum.
United States Patent (USP) 5,467,823 disclose that a kind of monitoring comprises at least one fluid reservoir and the method and apparatus of the subsurface formations that crossed by at least one well.Described method comprises to be transferred to sensor and the corresponding degree of depth of reservoir, and sensor is positioned at this degree of depth, and the well section that sensor is located separates with the remainder of well and provides the fluid between sensor and the reservoir to be communicated with simultaneously.Because native system need separate the well section of sensor location and the remainder of well, this can not be used as long-term tonometric selection.In addition, have an opportunity to keep-up pressure and isolate and realize the communication of remote control by cable and a plurality of sensor simultaneously to ground.
Summary of the invention
The present invention includes a kind of method that is used at the stratum monitoring pressure that crosses by at least one well.Described method comprises provides the tubular piece with external surface; Connect directed as follows perforating gun, described mode can not damaged tubular piece for when perforating gun is lighted a fire; Sensor is connected on the perforating gun being in close proximity to the perforating gun place, wherein sensor is exposed in the well; Tubular piece is inserted well; Tubular piece is fixed in the well; The igniting perforating gun is with earth penetrating; Sensor is exposed in the strata pressure, and with the pressure in the sensor monitors stratum to obtain pressure data.
The present invention also comprises a kind of equipment that is used at the stratum monitoring pressure that is crossed by at least one well that is served as a contrast by the sleeve pipe embedding; described equipment comprises the wireless communication module that is installed in jacket exterior; the perforating gun that is installed in jacket exterior away from the sleeve pipe orientation; and the sensor that is installed in jacket exterior, wherein sensor does not have overvoltage protection.
The present invention also comprises a kind of equipment that is used at the stratum monitoring pressure that is passed by at least one well; described equipment comprises the tubular piece with external surface; be installed in the wireless communication module on the tubular piece external surface; the perforating gun on the tubular piece external surface of being installed in away from the tubular piece orientation; and be installed in sensor on the tubular piece external surface, wherein sensor does not have overvoltage protection.
Description of drawings
The present invention may be better understood to read the description of following non-limiting embodiment by the reference accompanying drawing, and wherein the similar part of each figure is briefly described below by identical reference symbol identification:
Fig. 1 describes the phantom drawing of an embodiment of pressure monitoring devices.
Fig. 2 describes the lateral view of an embodiment who is arranged on the pressure monitoring devices in the well.
Fig. 3 shows the vertical view of the well of describing the perforation direction.
Fig. 4 describes the lateral view of another embodiment that is arranged on the pressure monitoring devices in the well.
The specific embodiment
Fig. 1 shows an embodiment who is used to monitor the equipment of formation properties.In the present embodiment, tubular piece 101 is one section sleeve pipe, bushing pipe or other material that is used to keep the well globality.Tubular piece 101 also can be that one section oil pipe, cement insertion tube are maybe transferred to equipment other device in the well.Perforating gun 102 and sensor 103 utmost point each other closely are installed in the outside of tubular piece 101.Perforating gun 102 can directly be connected with sensor 103 or connect by other pipe or flexible pipe.
Can use the perforating gun of any kind; Yet the direction of perforation must be away from sleeve pipe (tubular piece 101) aiming, so that can not damage sleeve pipe when perforating gun is lighted a fire.In a wireless embodiment of the present invention, perforating gun 102 can use the method for traditional wireless perforation to light a fire by outlet sleeve.In an alternate embodiments, line can be connected on the perforating gun 102 and be used for igniting.In the present embodiment, shown that traditional sleeve pipe transports wireless perforating gun, what it had is moved out of towards interior perforating bullet (shaped charge).
Can use the sensor of any kind, described sensor comprises, for example, and strain gauge, quartzy meter and other traditional sensing device.The application's embodiment has discussed the working pressure sensor; Yet, can adopt the sensor of the well character of measuring other.
Shown the wireless communication module 104 that is connected on the tubular piece 101.Known wireless telemetry in the industry, and the data that can be applied to collect from the down-hole are sent to surface production facilities.In this case, wireless communication module 104 is sent to ground in real time with the pressure data of sensor 103 collections.
Fig. 2 has described the equipment that is arranged in the well 201 shown in Figure 1.Shown with transferring to the interior tubular piece 101 of well and crossed one section well 201 on stratum 202.As shown in Figure 1, perforating gun 102, sensor 103 and wireless communication module 104 are installed in the outside of tubular piece 101.In Fig. 2, only shown one section well.Because transmission system is wireless, the operator can be provided with many sensors and the data of perforating gun to obtain to want in single well.
In operation, in case tubular piece 103 is lowered the precalculated position in the well 201, cement 203 quilts pumping alternatively are fixed on the appropriate location by annular space 204 with tubular piece 101.Supercharging sleeve pipe and start perforating gun 102 then.Fig. 3 has described the vertical view of the equipment in the well to show the direction of perforation.Shown the perforating bullet 301 that is connected on the perforating gun 102.When perforating bullet 301 igniting, it penetrates cement 203 and stratum 202 according to path 302, thereby sensor 103 is exposed in the strata pressure.In the perforating application process, tubular piece 101 is kept perfectly, and sensor 103 is not damaged, and is communicated with the direct pressure of rifle and the not protected compression shock (with reference to " overvoltage " in the industry) that is produced when being lighted a fire by rifle with opposing even sensor is in.Sensor 103 is collected data, and these data are sent to surface units 205 by wireless communication module 104, thereby pressure data is provided, and does not need to bore special-purpose observation well or the globality that jeopardizes sleeve pipe.
An alternative embodiment of the invention uses hardwired to connect the pressure data of collecting from the down-hole to transmit.Fig. 4 has described the hard-wired embodiment of the outside that is arranged on one section sleeve pipe.Shown that well 401 crosses stratum 402.First equipment 403 and second equipment 404 that are installed in sleeve pipe 405 outsides have been shown.First equipment 403 is connected by the line 406 that extends to the ground (not shown) with second equipment 404.First equipment 403 and second equipment 404 comprise perforating gun (407 and 410), sensor (408 and 411) and communication module (409 and 412).Complete equipment is fixed in the well with cement 413.In the present embodiment, be used line 406 by sensor 408 and 411 data of collecting and be sent to the ground (not shown).Using line to transmit may be than the poor reliability of using radio communication, because may be damaged in the process that line is arranged in eyelet or when boring a hole in the production area.Yet the advantage of hard-wired transmission systems is: it provides the data of higher frequency, and more long period ground transmits data, and can comprise darker measurement.In addition, line also can be used to the perforating gun of lighting a fire.
Although the system development of some embodiments of the present invention becomes the reservoir that is used for densification, hyposmosis, some embodiments of the present invention also are useful at the reservoir of height infiltration.In many zones, therefore a plurality of reservoirs that penetrated by single well are produced respectively and are managed because need legal management or reservoir management.Some embodiments of the present invention can make the operator that single well is carried out the production of an interval, simultaneously as the pressure observation well for one of another or a plurality of other reservoirs, thereby avoid boring the needs of special pressure observation well.
The advantage of the embodiment of the invention comprises following one or more advantages:
(i) provide the accurate pressure in the stratum of fine and close hyposmosis to measure;
The globality that (ii) keeps sleeve pipe;
(iii) allow to produce simultaneously and monitor;
(iv) avoid boring the needs of independent observation well;
(v) can be used for the stratum of high infiltration, in this stratum, a plurality of reservoirs are penetrated by single well;
(vi) use a plurality of bullets, improve the probability of the pressure communication on foundation and stratum.
The those skilled in the art will recognize, may much revise and modification and can not break away from the spirit and scope of the present invention according to disclosed embodiment, structure, material and method.Correspondingly, the specific embodiments that will not be subjected to describe or set forth at this at the scope and the equivalent of this appending claims limits, because they only are schematic in essence.
Claims (19)
1. method that is used at the stratum monitoring pressure that crosses by at least one well, described method comprises:
Tubular piece with external surface is provided;
Connect directed as follows perforating gun, described mode can not damaged tubular piece for when perforating gun is lighted a fire;
Sensor is connected on the perforating gun being in close proximity to the perforating gun place, wherein sensor is exposed in the well;
Tubular piece is inserted well;
Tubular piece is fixed in the well;
The igniting perforating gun is with earth penetrating;
Sensor is exposed in the strata pressure; And
With the pressure in the sensor monitors stratum to obtain pressure data.
2. the method for claim 1, described method also comprises the outside that wireless communication module is connected to tubular piece.
3. method as claimed in claim 2, wherein tubular piece is a sleeve pipe.
4. method as claimed in claim 3 is wherein fixed sleeve pipe by cement against the stratum.
5. method as claimed in claim 4 is wherein lighted a fire by outlet sleeve, thereby ignites a plurality of perforating bullets.
6. method as claimed in claim 5, described method also comprise uses wireless communication module that pressure data is sent to terrestrial contr.
7. method as claimed in claim 6, described method also comprise from the stratum and producing oil.
8. the method for claim 1, described method comprise that also using hardwired to connect is connected to terrestrial contr with sensor.
9. method as claimed in claim 8 wherein uses the cement insertion tube to insert.
10. method as claimed in claim 9, described method also comprise from the stratum and producing oil.
11. method as claimed in claim 8 wherein uses oil pipe to insert.
12. also comprising from the stratum, method as claimed in claim 11, described method produce oil.
13. an equipment that is used at the stratum monitoring pressure that is crossed by at least one well that is served as a contrast by the sleeve pipe embedding, described equipment comprises:
Be installed in the wireless communication module of jacket exterior;
The perforating gun that is installed in jacket exterior away from the sleeve pipe orientation; And
Be installed in the sensor of jacket exterior, wherein sensor does not have overvoltage protection.
14. equipment as claimed in claim 13, described equipment also comprises terrestrial contr, and described terrestrial contr is operably connected on the wireless communication module.
15. equipment as claimed in claim 14, wherein sensor is a pressure gauge.
16. an equipment that is used at the stratum monitoring pressure that is crossed by at least one well, described equipment comprises:
Tubular piece with external surface;
Be installed in the wireless communication module on the tubular piece external surface;
The perforating gun on the tubular piece external surface of being installed in away from the tubular piece orientation; And
Be installed in the sensor on the tubular piece external surface, wherein sensor does not have overvoltage protection.
17. equipment as claimed in claim 16, described equipment also comprise the deployment facility that is selected from the group of being made up of oil pipe, cement insertion tube and cable.
18. equipment as claimed in claim 17, described equipment also comprises terrestrial contr, and described terrestrial contr is operably connected on the wireless communication module.
19. equipment as claimed in claim 18, wherein sensor is a pressure gauge.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73346105P | 2005-11-04 | 2005-11-04 | |
| US60/733,461 | 2005-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101300402A true CN101300402A (en) | 2008-11-05 |
Family
ID=37831614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800407878A Pending CN101300402A (en) | 2005-11-04 | 2006-11-02 | Monitoring formation properties |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20070193740A1 (en) |
| EP (1) | EP1945905B1 (en) |
| CN (1) | CN101300402A (en) |
| AT (1) | ATE489535T1 (en) |
| AU (1) | AU2006311880B2 (en) |
| BR (1) | BRPI0618246A2 (en) |
| CA (1) | CA2627431C (en) |
| DE (1) | DE602006018508D1 (en) |
| EA (1) | EA200801260A1 (en) |
| NO (1) | NO20082490L (en) |
| WO (1) | WO2007056121A1 (en) |
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-
2006
- 2006-11-02 CA CA2627431A patent/CA2627431C/en not_active Expired - Fee Related
- 2006-11-02 WO PCT/US2006/042924 patent/WO2007056121A1/en active Application Filing
- 2006-11-02 US US11/555,985 patent/US20070193740A1/en not_active Abandoned
- 2006-11-02 BR BRPI0618246-1A patent/BRPI0618246A2/en not_active Application Discontinuation
- 2006-11-02 AT AT06827430T patent/ATE489535T1/en not_active IP Right Cessation
- 2006-11-02 EP EP06827430A patent/EP1945905B1/en not_active Not-in-force
- 2006-11-02 DE DE602006018508T patent/DE602006018508D1/en active Active
- 2006-11-02 AU AU2006311880A patent/AU2006311880B2/en not_active Ceased
- 2006-11-02 CN CNA2006800407878A patent/CN101300402A/en active Pending
- 2006-11-02 EA EA200801260A patent/EA200801260A1/en unknown
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2008
- 2008-06-03 NO NO20082490A patent/NO20082490L/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114144571A (en) * | 2019-07-22 | 2022-03-04 | 沙特阿拉伯石油公司 | Method of determining wellbore integrity |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007056121A1 (en) | 2007-05-18 |
| EP1945905B1 (en) | 2010-11-24 |
| DE602006018508D1 (en) | 2011-01-05 |
| AU2006311880B2 (en) | 2010-06-03 |
| EA200801260A1 (en) | 2009-02-27 |
| AU2006311880A1 (en) | 2007-05-18 |
| NO20082490L (en) | 2008-08-04 |
| US20070193740A1 (en) | 2007-08-23 |
| EP1945905A1 (en) | 2008-07-23 |
| CA2627431A1 (en) | 2007-05-18 |
| ATE489535T1 (en) | 2010-12-15 |
| CA2627431C (en) | 2015-12-29 |
| BRPI0618246A2 (en) | 2011-08-23 |
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