CA2594512A1 - A method for facilitating a wellbore operation - Google Patents
A method for facilitating a wellbore operation Download PDFInfo
- Publication number
- CA2594512A1 CA2594512A1 CA002594512A CA2594512A CA2594512A1 CA 2594512 A1 CA2594512 A1 CA 2594512A1 CA 002594512 A CA002594512 A CA 002594512A CA 2594512 A CA2594512 A CA 2594512A CA 2594512 A1 CA2594512 A1 CA 2594512A1
- Authority
- CA
- Canada
- Prior art keywords
- wellbore
- mechanical specific
- specific energy
- accordance
- values
- 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
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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
- E21B45/00—Measuring the drilling time or rate of penetration
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/003—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by analysing drilling variables or conditions
Abstract
A method for a wellbore operation with a wellbore system, the method, in at least certain aspects, including acquiring with sensor systems data corresponding to a plurality of parameters, the data indicative of values for each parameter, each parameter associated with part of the wellbore system, and, based on said data, calculating a value for each of a plurality of mechanical specific energies each related to a mechanical specific energy for a part of the wellbore system; and, in some aspects, monitoring in real time the value of each of the mechanical specific energies; and, in certain aspects, using such determined values to alter, change, improve, or optimize operations.
Claims (37)
1. A method for facilitating a wellbore operation with a wellbore apparatus, the method comprising the steps of acquiring data with sensor apparatus at at least two points along said wellbore apparatus, the method further comprising the step of using the acquired data to calculate a mechanical specific energy value for each of said at least two points along said wellbore apparatus and monitoring said mechanical specific energy values.
2. A method in accordance with Claim 1, wherein the wellbore apparatus comprises a string of drill pipe and a tool connected in or to the string of drill pipe, wherein the data is acquired during rotation of at least one of the string of drill pipe and the tool.
3. A method in accordance with Claim 1, wherein the wellbore apparatus comprises a string of casing and a tool connected in or to the string of casing, wherein the data is acquired during rotation of at least one of the string of casing and the tool.
4. A method in accordance with Claim 1, wherein the wellbore apparatus comprises coiled tubing and a tool connected in or to the coiled tubing, wherein the data is acquired during rotation of at least one of the coiled tubing and the tool.
5. A method in accordance with any preceding claim, wherein at least one of the at least two points is located at or close to one or more of: the surface of the wellbore; at the top of the wellbore apparatus; at the bottom of the wellbore; at a tool located in or on the wellbore apparatus; between surface and the bottom of the wellbore; and at the bottom of the wellbore apparatus.
6. A method in accordance with any preceding claim, wherein said sensor apparatus is located at at least one of each of said at least two points along said wellbore apparatus.
7. A method in accordance with any preceding claim, wherein the wellbore operation is any of: drilling;
milling; reaming; hole-opening; casing drilling; drilling with a downhole motor; coiled tubing operations; junk milling; milling-drilling; and managed pressure drilling.
milling; reaming; hole-opening; casing drilling; drilling with a downhole motor; coiled tubing operations; junk milling; milling-drilling; and managed pressure drilling.
8. A method in accordance with any preceding claim, wherein the acquired data includes data indicative of any of: Weight On Bit; Rate Of Penetration; bit rotational speed; torque at a bit; torque at surface; rotary rotational speed; and bit cross-sectional area.
9. A method in accordance with any preceding claim, further comprising a database comprising a bank of mechanical specific energy values for points along the wellbore apparatus.
10. A method in accordance with Claim 9, wherein said database stores threshold values of mechanical specific energy values for points along the wellbore apparatus.
11. A method in accordance with any preceding claim, wherein an alarm is activated in response to at least one of a mechanical specific energy values which exceed a predetermined threshold.
12. A method in accordance with any preceding claim, wherein the monitored mechanical specific energy values are used in a control system for controlling the wellbore operation, the method further comprising the step of controlling the wellbore operation based on said calculated mechanical specific energy values.
13. A method in accordance with any preceding claim, wherein, wherein the step of monitoring the mechanical specific energy values are analyzed for indicating a problem with the wellbore operation.
14. A method in accordance with Claim 13, further comprising the step of determining at least one solution to the problem based on the mechanical specific energy values.
15. A method in accordance with Claim 14, further comprising the step of determining which part of the wellbore apparatus has the problem.
16. A method in accordance with any preceding claim, further comprising the step of providing confirmation that there is not an impediment to the wellbore operation.
17. A method in accordance with any preceding claim, further comprising the step of analyzing said mechanical specific energies values to determine whether there is a change in energy consumption by the wellbore operation.
18. A method in accordance with any preceding claim, further comprising the step of calculating the difference of the specific energy values for the at least two points along the wellbore apparatus.
19. A method in accordance with any preceding claim, wherein at least one of the mechanical specific energy values is calculated using Teale's definition of mechanical specific energy.
20. A method in accordance with any preceding claim, wherein at least one of the mechanical specific energy values is calculated using to equation:
where:
MSE = Mechanical Specific Energy, Kpsi Eff b = Bit efficiency WOB = Weight on bit, lbs D = Bit diameter, inches N b = Bit rotational speed, rpm T = Drillstring rotational torque, ft-lb ROP = Rate-of-penetration, ft/hr
where:
MSE = Mechanical Specific Energy, Kpsi Eff b = Bit efficiency WOB = Weight on bit, lbs D = Bit diameter, inches N b = Bit rotational speed, rpm T = Drillstring rotational torque, ft-lb ROP = Rate-of-penetration, ft/hr
21. A method in accordance with any preceding claim, wherein at least one of the mechanical specific energy values is calculated using to equation:
where:
MSE = Mechanical Specific Energy K adj = Adjustment factor Eff b = Bit efficiency D = Bit diameter, inches N b = Bit rotational speed, rpm T rel = Relative measure of drillstring rotational torque, units as per device ROP = Rate-of-penetration, ft/hr
where:
MSE = Mechanical Specific Energy K adj = Adjustment factor Eff b = Bit efficiency D = Bit diameter, inches N b = Bit rotational speed, rpm T rel = Relative measure of drillstring rotational torque, units as per device ROP = Rate-of-penetration, ft/hr
22. A method in accordance with any preceding claim, further comprising the step of calculating mechanical specific energy values in real time.
23. A method in accordance with any preceding claim, further comprising the step of displaying mechanical specific energy values in real time.
24. A method in accordance with any preceding claim, further comprising, wherein the wellbore operation is a hole-opening operation and mechanical specific energies are calculated using a volume of drilled-out material.
25. A method in accordance with Claim 24, wherein at least one of the mechanical specific energy values is calculated using to equation:
where:
A104 is the area of the new hole A102 is the area of the original hole Es = Mechanical Specific Energy, Kpsi WOB = Weight on bit, lbs N = Rotational speed, rpm T = Drillstring rotational torque, ft-lb ROP = Rate-of-penetration, ft/hr
where:
A104 is the area of the new hole A102 is the area of the original hole Es = Mechanical Specific Energy, Kpsi WOB = Weight on bit, lbs N = Rotational speed, rpm T = Drillstring rotational torque, ft-lb ROP = Rate-of-penetration, ft/hr
26. A method in accordance with any preceding claim, wherein the wellbore operation is a reaming operation for reaming an already-produced wellbore producing a reamed wellbore, and values for mechanical specific energies calculated for the already-produced wellbore are compared to values for mechanical specific energies calculated for the reaming operation.
27. A method in accordance with any preceding claim, wherein the wellbore operation is a milling operation and values of calculated mechanical specific energies are monitored and processed to indicate any of: a change in mechanical specific energy as an item is first encountered by a mill; a change or trend in mechanical specific energy behavior as increasing amounts of material are milled; a drop in mechanical specific energy as a mill exits an item being milled; and a value of mechanical specific energy that indicates a mill is encountering formation outside an item being milled.
28. A method in accordance with any preceding claim, wherein the wellbore operation is managed pressure drilling and values of calculated mechanical specific energies are monitored and processed to indicate any of:
a pressure differential in a wellbore; less energy required during drilling; and confirmation that drilling is progressing as desired.
a pressure differential in a wellbore; less energy required during drilling; and confirmation that drilling is progressing as desired.
29. A computer-readable media having computer executable instructions for facilitating an wellbore operation in a wellbore with a wellbore apparatus, the computer-executable instructions performing the following steps:
acquiring data with sensor apparatus at at least two points along said wellbore apparatus; and calculating a mechanical specific energy value for each of said at least two points along said wellbore apparatus using the acquired data.
acquiring data with sensor apparatus at at least two points along said wellbore apparatus; and calculating a mechanical specific energy value for each of said at least two points along said wellbore apparatus using the acquired data.
30. A computer-readable media as claimed in Claim 29, further comprising a database of threshold mechanical specific energy values
31. A computer-readable media as claimed in Claim 30, further comprising computer-executable instructions to trigger an alarm in response to crossing a threshold mechanical specific energy value stored in the database
32. A computer-readable media as claimed in Claim 30, further comprising computer-executable instructions to monitor the mechanical specific energy values.
33. A computing unit configured to read and perform the computer-executable instructions on computer-readable media as claimed in any of Claims 29 to 33.
34. A computing unit as claimed in Claim 33, further comprising apparatus to store mechanical specific energy values.
35. A computing unit as claimed in Claim 33 or 34, further comprising display apparatus to display at least one of the mechanical specific energy values.
36. A computing unit as claimed in Claim 33, 34 or 35, further comprising display apparatus to display pictorially at least one of the mechanical specific energy values.
37. A computing unit as claimed in any of Claims 33 to 36, further comprising transmitting to receiving apparatus signals indicative of the value of each of the calculated mechanical specific energies.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/043,426 | 2005-01-26 | ||
| US11/043,426 US7243735B2 (en) | 2005-01-26 | 2005-01-26 | Wellbore operations monitoring and control systems and methods |
| PCT/GB2006/050010 WO2006079847A1 (en) | 2005-01-26 | 2006-01-17 | A method for facilitating a wellbore operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2594512A1 true CA2594512A1 (en) | 2006-08-03 |
| CA2594512C CA2594512C (en) | 2011-01-04 |
Family
ID=36074398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2594512A Expired - Fee Related CA2594512C (en) | 2005-01-26 | 2006-01-17 | A method for facilitating a wellbore operation |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7243735B2 (en) |
| EP (1) | EP1841948B1 (en) |
| AT (1) | ATE406502T1 (en) |
| CA (1) | CA2594512C (en) |
| DE (1) | DE602006002489D1 (en) |
| NO (1) | NO20073424L (en) |
| WO (1) | WO2006079847A1 (en) |
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| US6109368A (en) * | 1996-03-25 | 2000-08-29 | Dresser Industries, Inc. | Method and system for predicting performance of a drilling system for a given formation |
| US5794720A (en) * | 1996-03-25 | 1998-08-18 | Dresser Industries, Inc. | Method of assaying downhole occurrences and conditions |
| US6389360B1 (en) * | 1999-01-13 | 2002-05-14 | Vermeer Manufacturing Company | Automated bore planning method and apparatus for horizontal directional drilling |
| US6490527B1 (en) | 1999-07-13 | 2002-12-03 | The United States Of America As Represented By The Department Of Health And Human Services | Method for characterization of rock strata in drilling operations |
| US6892812B2 (en) * | 2002-05-21 | 2005-05-17 | Noble Drilling Services Inc. | Automated method and system for determining the state of well operations and performing process evaluation |
-
2005
- 2005-01-26 US US11/043,426 patent/US7243735B2/en active Active
-
2006
- 2006-01-17 EP EP06700784A patent/EP1841948B1/en not_active Not-in-force
- 2006-01-17 CA CA2594512A patent/CA2594512C/en not_active Expired - Fee Related
- 2006-01-17 DE DE602006002489T patent/DE602006002489D1/en not_active Expired - Fee Related
- 2006-01-17 WO PCT/GB2006/050010 patent/WO2006079847A1/en active IP Right Grant
- 2006-01-17 AT AT06700784T patent/ATE406502T1/en not_active IP Right Cessation
-
2007
- 2007-07-05 NO NO20073424A patent/NO20073424L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1841948B1 (en) | 2008-08-27 |
| CA2594512C (en) | 2011-01-04 |
| US20060162962A1 (en) | 2006-07-27 |
| US7243735B2 (en) | 2007-07-17 |
| EP1841948A1 (en) | 2007-10-10 |
| ATE406502T1 (en) | 2008-09-15 |
| DE602006002489D1 (en) | 2008-10-09 |
| NO20073424L (en) | 2007-10-18 |
| WO2006079847A1 (en) | 2006-08-03 |
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| EEER | Examination request | ||
| MKLA | Lapsed |
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| MKLA | Lapsed |
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