Traps : Definitions and Concepts

Jun 28th, 2015
Studypool Tutor
Price: $10 USD

Tutor description

The highest point of the trap is the crest or culmination. The lowest point is the spill point. A trap may or may not be full to the spill point. The horizontal plane through the spill point is called the spill plane. The vertical distance from the high point at the crest to the low point at the spill point is the closure.

Word Count: 6098
Showing Page: 1/58
Definitions and ConceptsMany terms are used to describe the various parts of a trap. The anticlinal trap, the simplest type, will be used as our reference ( Figure1 , Nomenclature of a trap using a simple anticline as an example).Figure 1The highest point of the trap is the crest or culmination. The lowest point is the spill point. A trap may or may not be full to the spill point. The horizontal plane through the spill point is called the spill plane. The vertical distance from the high point at the crest to the low point at the spill point is the closure. The productive reservoir is the pay. Its gross vertical interval is known as the gross pay. This can vary from only one or two meters in Texas to several hundred in the North Sea and Middle East.Not all of the gross pay of a reservoir may be productive. For example, shale stringers within a reservoir unit contribute to gross pay but not to net pay ( Figure2 , Facies change in an anticlinal trap, illustrating the difference between net pay and gross pay). Net pay refers only to the possibly productive reservoir.Figure 2A trap may contain oil, gas or a combination of the two. The oil-water contact, OWC, is the deepest level of producible oil within an individual reservoir ( Figure3a , Fluid contacts within a reservoir in an oil-water system). Figure 3aIt marks the interface between predominately oil-saturated rocks and water-saturated rocks. Similarly, either the gas-water contact, GWC ( Figure

Review from student

Studypool Student
" Thanks for the help. "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1822 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors