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PETE-311-HW-04-09

# PETE-311-HW-04-09 - has a thickness of 10 ft and is...

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PETE 311 Spring-2009 Homework #4 This homework is to be worked by each student alone. The homework is due on Friday March 6th . Follow the instructions in the syllabus for preparing and submitting your work. 1. Given the following data for a cylindrical core sample, compute its porosity and grain density, and the gross fluid storage space (in bbls) that exists in an acre-ft of this rock: Clean, dry weight of sample=311 g Weight of sample with pores completely filled with a 1.05 specific gravity brine=331g. Diameter of core=4.0 cm. Length of sample=10.0 cm. 2. The above rock sample was subjected to a laboratory linear flow test using distilled water as the flowing fluid. It is assumed that this did not alter the rock; the following data were obtained: viscosity= 1 cp, p 1 = 50 psig, p 2 = 1 atm, Q= 0.50 cc’s/sec. What is the permeability of this sample? 3. Compute the production rate into a well drilled in the above sand given that the sand
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Unformatted text preview: has a thickness of 10 ft and is saturated with an oil having a viscosity of 3 cp. The static reservoir pressure is 2000 psia, the bottom hole pressure is 1500 psia. Assume the drainage radius is 700 ft and that the well has a diameter of 8 in. Plot the pressure as a function of r from the well to a distance of 700 ft (b) repeat your calculations for well diameters of 4, 6, 10, and 12 in; (c) using a well radius of 4”, calculate the production rate for oil viscosity of 1.5, 6, and 9 cp’s. Aggie Code of Honor : An Aggie does not lie, cheat, or steal or tolerate those who do. Required Academic Integrity Statement: " On my honor, as an Aggie, I have neither given nor received unauthorized aid on this academic work ." __________________________ (your signature) Sec #...
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