Wells – Processes – Placing fluid into the formation
Reexamination Certificate
2007-01-23
2007-01-23
Neuder, William (Department: 3672)
Wells
Processes
Placing fluid into the formation
C166S250100, C166S052000
Reexamination Certificate
active
10478250
ABSTRACT:
The invention relates to a method of controlling the production of oil or gas from a formation (1) comprising that a first and second drilled production well (105, 110) are formed next to each other that extend essentially horizontally, that, at the drilled production wells, a further drilled well (115) is formed that extends between the first and the second drilled production well (105, 110), that the production of oil or gas is initiated, and that, while oil or gas is being produced, a liquid is conveyed to said further drilled well (115) and out into the formation (1) for a first period of time T1. The invention is characterised in that the pore pressure of the formation is influenced during the period T1with the object of subsequently controlling the formation of fractures along a drilled well, typically across large distances in the reservoir. Such influence is accomplished partly by production in adjacent wells, partly by injection at low rate without fracturing in the well in which the fracture is to originate. Injection at low rate presupposes that an at least approximated determination is performed of the maximally allowable injection rate Imaxfor the period T1in order to avoid fracturing ruptures in said further drilled well (115) when liquid is supplied by the injection rate I for the liquid supplied to the further drilled well being kept below said maximally allowable injection rate Imaxfor said first period of time T1when the relation σ′hole,min<=σ′hhas been complied with.
REFERENCES:
patent: 4724905 (1988-02-01), Uhri
patent: 4793413 (1988-12-01), Singh et al.
patent: 5133410 (1992-07-01), Gadelle et al.
patent: 5236040 (1993-08-01), Venditto et al.
patent: 5482116 (1996-01-01), El-Rabaa et al.
patent: 5497831 (1996-03-01), Hainey et al.
patent: 5511615 (1996-04-01), Rhett
patent: 5894888 (1999-04-01), Wiemers et al.
patent: 6002063 (1999-12-01), Bilak et al.
patent: 6443227 (2002-09-01), Hocking et al.
patent: 6769486 (2004-08-01), Lim et al.
patent: 3120479.1-24 (1982-05-01), None
patent: 0474350 (1992-03-01), None
patent: 0602980 (1994-06-01), None
Bomar Shane
Ladas & Parry
Maersk Olie OG Gas A/S
Neuder William
LandOfFree
Method of controlling the direction of propagation of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of controlling the direction of propagation of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of controlling the direction of propagation of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3771183