vILT2 - Life of Field Problem - Active Learnercloud1.activelearner.com/.../vILT2-Life_of_Field_Problem.pdfTitle Microsoft PowerPoint - vILT2 - Life of Field Problem Author svanlyke
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Log Section, Depositional Environment (DE), and BottomHole Pressures
In the following stratigraphic cross section, the depositional environment is interpreted to be a fluvial sequence. Indications are that the reservoirs are compartmentalized.
Additional data: • Well #1 – dry hole• Well #2 – gas producer (1990 BHP 1594 psi [10,990 kPa])• Well #3 – gas producer (1988 BHP 2810 psi [19,374 kPa])• Well #4 – gas producer (1988 BHP 2856 psi [19,691 kPa])• Well #5 – dry hole
Background noise and the magnitude of the features
How to Separate the Two Similar Features, Both FluvialChannels that Are Only 4 Milli-seconds Apart ?
How and where to separate resolved from unresolved domains?
Much distance to separate two anticlines to make it clear that there are two?
Far apart must two faults be to recognize that there are two faults?
Resolution considerations are clearly important in all geologic reservoir surveillance, some of these are:
Other factors include:
“Resolution is the ability to separate two features that are very close together; the minimum separation of two bodies before their individual identities are lost” (Sheriff, 1991).
What Other Collaboration Data Might We Obtain? – PTA
Depositional Model of the King Field Upper Reservoir Figure 4 SPE 84380 Using Multiple Reservoir Measurements to Improve Subsurface Description in Deepwater Gulf of Mexico: King FieldSammy Haddad, SPE, Schlumberger Oilfield Services, Gerard Simms, SPE, BP, and Colin Clerk, BP