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GR APT 5000 5010 5020 5030 5040 5050 5060 5070 5080 5090 0.2 0.2 0.2 ohm-m ILM LL8 2000 2000 2000 5100 3. The resistivity logs above are for the same interval as the logs for questions 1 & 2. Answer the follo questions related to these logs with the following additional information: For Archie's Equations, as m=n=2. Also, Rw=0.05 ohm-m. a. Estimate the water saturation for each sandstone zone. b. Which sandstone is a better prospect for producing oil and/or gas? Explain, giving at least reasons to support your choice.

GR APT 5000 5010 5020 5030 5040 5050 5060 5070 5080 5090 0.2 0.2 0.2 ohm-m ILM LL8 2000 2000 2000 5100 3. The resistivity logs above are for the same interval as the logs for questions 1 & 2. Answer the follo questions related to these logs with the following additional information: For Archie's Equations, as m=n=2. Also, Rw=0.05 ohm-m. a. Estimate the water saturation for each sandstone zone. b. Which sandstone is a better prospect for producing oil and/or gas? Explain, giving at least reasons to support your choice.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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GR API 150 5000 5010 5020 5030 5040 5050 5060 5070 5080 5090 0.2 0.2 0.2 نما است ILD ohm-m ILM ohm-m LL8 ohm-m 2000 2000 2000 5100 3. The resistivity logs above are for the same interval as the logs for questions 1 & 2. Answer the following questions related to these logs with the following additional information: For Archie's Equations, a=0.81 m=n=2. Also, Rw=0.05 ohm-m. a. Estimate the water saturation for each sandstone zone. b. Which sandstone is a better prospect for producing oil and/or gas? Explain, giving at least two reasons to support your choice. 4. The density/neutron porosity readings are nearly the same in both sandstones, so that suggests liquid hydrocarbon (oil). HOWEVER, in order to get some practice, I want you to evaluate the upper sandstone. as a gas reservoir. Estimate the OGIP assuming a drainage area of 250 acres, a geothermal gradient of 1.2°F/100 ft, and a pore pressure gradient of 0.65 psi/ft.
Transcribed Image Text:GR API 150 5000 5010 5020 5030 5040 5050 5060 5070 5080 5090 0.2 0.2 0.2 نما است ILD ohm-m ILM ohm-m LL8 ohm-m 2000 2000 2000 5100 3. The resistivity logs above are for the same interval as the logs for questions 1 & 2. Answer the following questions related to these logs with the following additional information: For Archie's Equations, a=0.81 m=n=2. Also, Rw=0.05 ohm-m. a. Estimate the water saturation for each sandstone zone. b. Which sandstone is a better prospect for producing oil and/or gas? Explain, giving at least two reasons to support your choice. 4. The density/neutron porosity readings are nearly the same in both sandstones, so that suggests liquid hydrocarbon (oil). HOWEVER, in order to get some practice, I want you to evaluate the upper sandstone. as a gas reservoir. Estimate the OGIP assuming a drainage area of 250 acres, a geothermal gradient of 1.2°F/100 ft, and a pore pressure gradient of 0.65 psi/ft.
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