CA2289147A1 - Apparatus for separating components in well fluids - Google Patents
Apparatus for separating components in well fluids Download PDFInfo
- Publication number
- CA2289147A1 CA2289147A1 CA 2289147 CA2289147A CA2289147A1 CA 2289147 A1 CA2289147 A1 CA 2289147A1 CA 2289147 CA2289147 CA 2289147 CA 2289147 A CA2289147 A CA 2289147A CA 2289147 A1 CA2289147 A1 CA 2289147A1
- Authority
- CA
- Canada
- Prior art keywords
- drill
- pressure vessel
- high pressure
- drilling
- fluids
- 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
Abstract
A system for separation of fluids and drill cuttings received from a borehole during an under-balanced drilling procedure. The system is designed to cope with significantly varied pressures and flow rates, particularly in relation to gas content of drill fluids returned to the surface during the drilling process in a production zone, and to provide effective separation and to reduce the detrimental effect due to the presence of the drill cuttings in the returned drill fluids. In the present invention there is utilized a first stage, high pressure vessel in which a major portion of the gases ad drill cuttings are separated, and a second stage, horizontal low pressure vessel, preferably of greater volume than the high pressure vessel, in which further separating is achieved, including the separate removal of the drilling liquid to be returned to the drill tube. Because in under-balance drilling, the most serious variation in the pressure of the returning fluid is due to rapid increases in the proportion of gases in the drill fluid, the system of the present invention includes features allowing the control of the operating pressure in the high pressure vessel by way of the flow control of the gases exiting the high pressure vessel while the remaining separating procedure continues to provide effective results.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/671,422 | 1996-06-27 | ||
US08/671,422 US5900137A (en) | 1996-06-27 | 1996-06-27 | Apparatus and method for separating components in well fluids |
CA002184511A CA2184511C (en) | 1996-06-27 | 1996-08-28 | Apparatus and method for separating components in well fluids |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002184511A Division CA2184511C (en) | 1996-06-27 | 1996-08-28 | Apparatus and method for separating components in well fluids |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2289147A1 true CA2289147A1 (en) | 1997-12-28 |
CA2289147C CA2289147C (en) | 2000-06-20 |
Family
ID=31716363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002289147A Expired - Lifetime CA2289147C (en) | 1996-06-27 | 1996-08-28 | Apparatus for separating components in well fluids |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2289147C (en) |
-
1996
- 1996-08-28 CA CA002289147A patent/CA2289147C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2289147C (en) | 2000-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20160829 |