Near wellbore modeling method and apparatus

DA Edwards, JA Holmes, AJ Fitzpatrick - US Patent 7,451,066, 2008 - Google Patents
A “near wellbore modeling” software will, when executed by a processor of a computer,
model a localized area of a reservoir field which surrounds and is located near a specific …

Apparatus and method for retrieving formation fluid samples utilizing differential pressure measurements

RB Vasquez - US Patent 5,622,223, 1997 - Google Patents
This invention provides a closed-loop system for in situ testing of formation fluid conditions
and for selectively collecting substantially mud filtrate free formation fluid samples at original …

Formation tester with improved sample collection system

AA Hrametz, JM Moore, MA Proett - US Patent 5,934,374, 1999 - Google Patents
This invention relates generally to formation fluid testing and collection apparatus and more
particularly to a modular formation tester having a formation fluid collection System that …

Apparatus and method for analyzing a retrieving formation fluid utilizing acoustic measurements

JR Birchak, MA Proett - US Patent 5,741,962, 1998 - Google Patents
This invention provides a closed-loop system for in situ testing of formation fluid conditions
and for selectively collecting substantially mud filtrate free formation fluid samples at original …

Impact of natural fractures in hydraulic fracturing of tight gas sands

JL Rodgerson - SPE Permian basin oil and gas recovery conference, 2000 - onepetro.org
Impact of Natural Fractures in Hydraulic Fracturing of Tight Gas Sands | SPE Permian Basin
Oil and Gas Recovery Conference | OnePetro Skip to Main Content Advertisement Umbrella …

Formation-rate-analysis technique: combined drawdown and buildup analysis for wireline formation test data

E Kasap, K Huang, T Shwe, D Georgi - SPE Reservoir Evaluation & …, 1999 - onepetro.org
The formation-rate-analysis (FRA SM) technique is introduced. The technique is based on
the calculated formation rate by correcting the piston rate with fluid compressibility. A …

New wireline formation testing tool with advanced sampling technology

MA Proett, GN Gilbert, WC Chin… - … Reservoir Evaluation & …, 2001 - onepetro.org
A recently introduced wireline formation-testing tool incorporates new digital-control
technology that significantly improves formation fluid sampling and pressure testing. A …

Utilizing mini-DST for formation evaluation

ACD Coelho, C de Camargo, ET Kato… - SPE Latin America and …, 2005 - onepetro.org
Well tests have been widely used for several decades in the oil industry for evaluation of the
well productivity and formation damage, estimation of reservoir characteristics such as initial …

New exact spherical flow solution with storage and skin for early-time interpretation with applications to wireline formation and early-evaluation drillstem testing

MA Proett, WC Chin - SPE Annual Technical Conference and …, 1998 - onepetro.org
The wireline formation tester, which is frequently operated over short durations, and a new
formation testing tool that obtains pressure measurements during the drilling program, have …

Simultaneous interpretation of three-phase relative permeability and capillary pressure for a tight carbonate reservoir from wireline formation testing

X Liu, D Yang - Journal of Energy Resources …, 2020 - asmedigitalcollection.asme.org
In this paper, techniques have been developed to interpret three-phase relative permeability
and water–oil capillary pressure simultaneously in a tight carbonate reservoir from …