E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/04 (2006.01) E21B 47/06 (2006.01) E21B 49/10 (2006.01)
Patent
CA 2380496
A method for determining the depth (D L) of a fluid contact level between a first fluid (F1), such as water, and a second fluid (F2), such as crude oil or natural gas, within the pores of an oil and/or gas bearing formation surrounding a borehole comprises measuring the phase pressure P F1 and P F2 of said pore fluids using a pressure probe assembly which is lowered to a depth (D p) above the depth of said contact level (D L) and determining the depth of said interface on the basis of the equation (I).
L'invention concerne un procédé qui permet de déterminer la profondeur (DL) du niveau de contact entre un premier fluide interstitiel (F1), du type eau, et un second fluide interstitiel (F2), du type pétrole brut ou gaz naturel, dans les pores d'une formation pétrolifère et/ou gazéifère entourant un trou de forage. Le procédé consiste à mesurer la pression de phase PF1 et PF2 des fluides interstitiels en utilisant un ensemble sonde de pression qui est abaissé à une profondeur (DP) au-dessus de la profondeur du niveau de contact (DL) et à déterminer la profondeur du niveau de contact en question d'après la formule (I).
Scherpenisse Willem
Van Wunnik Johannes Nicolaas Maria
Shell Canada Limited
Smart & Biggar
LandOfFree
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