CA2803771C - Ensemble et procede permettant de regler des pressions de fond de trou lors de forages sous-marins en eaux profondes - Google Patents
Ensemble et procede permettant de regler des pressions de fond de trou lors de forages sous-marins en eaux profondes Download PDFInfo
- Publication number
- CA2803771C CA2803771C CA2803771A CA2803771A CA2803771C CA 2803771 C CA2803771 C CA 2803771C CA 2803771 A CA2803771 A CA 2803771A CA 2803771 A CA2803771 A CA 2803771A CA 2803771 C CA2803771 C CA 2803771C
- Authority
- CA
- Canada
- Prior art keywords
- riser
- pressure
- drilling
- drilling fluid
- 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.)
- Expired - Fee Related
Links
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Landscapes
- Earth Drilling (AREA)
Abstract
Ensemble et procédé qui permettent de commander et de réguler la pression de fond de trou dans un forage lors d'un forage sous-marin en eaux profondes. Le procédé consiste à rajuster à la hausse ou à la baisse un niveau d'interface liquide/gaz dans une colonne montante de forage. Lensemble comprend une colonne montante de forage à haute pression et un BOP de surface au niveau de l'extrémité supérieure de la colonne montante de forage. Ledit BOP de surface présente une sortie d'évacuation de gaz. La colonne montante comprend également un BOP doté dune ligne de dérivation. La colonne montante de forage présente une sortie se trouvant à une profondeur située en dessous de la surface de l'eau, cette sortie étant reliée à un système de pompage doté dune conduite de retour d'écoulement qui retourne à un engin ou à une plate-forme de forage.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31829101P | 2001-09-10 | 2001-09-10 | |
| US60/318,391 | 2001-09-10 | ||
| CA2461639A CA2461639C (fr) | 2001-09-10 | 2002-09-10 | Ensemble et procede permettant de regler des pressions de fond de trou lors de forages sous-marins en eaux profondes |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2461639A Division CA2461639C (fr) | 2001-09-10 | 2002-09-10 | Ensemble et procede permettant de regler des pressions de fond de trou lors de forages sous-marins en eaux profondes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2803771A1 CA2803771A1 (fr) | 2003-03-20 |
| CA2803771C true CA2803771C (fr) | 2015-06-09 |
Family
ID=47741395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2803771A Expired - Fee Related CA2803771C (fr) | 2001-09-10 | 2002-09-10 | Ensemble et procede permettant de regler des pressions de fond de trou lors de forages sous-marins en eaux profondes |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2803771C (fr) |
-
2002
- 2002-09-10 CA CA2803771A patent/CA2803771C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2803771A1 (fr) | 2003-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20130130 |
|
| MKLA | Lapsed |
Effective date: 20220310 |
|
| MKLA | Lapsed |
Effective date: 20200910 |