HWK 4 solution-1 - PGE 430 Drilling Homework 4 Due at lecture time Oct 9th(1 Please construct a mud window as mud weight(ppg versus depth(ft for

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Unformatted text preview: PGE 430 Drilling Homework 4 Due at lecture time: Oct. 9th (1) Please construct a mud window as mud weight (ppg) versus depth (ft) for the following drilling prospect. Data Water Depth (ft) Sea Water SG 1.02 Overburden SG 2.6 Pore Fluid SG 1.074 Sediment Datum (ft) 100 (base of conductor casing) Total Sediment Depth (ft) 10000 Trip Margin (ppg) 0.5 Kick Margin (ppg) 0.5 The pore fluid gradient is estimated to be as follows: Sediment Depth Pore Pressure (ft) Gradient (psi/ft) 100 0.433 595 0.433 1090 0.433 1585 0.433 2080 0.44 2575 0.45 3070 0.45 3565 0.45 4060 0.45 4555 0.45 5050 0.45 5545 0.45 6040 0.565 6535 0.587 7030 0.607 7525 0.626 8020 0.646 8515 0.65 9010 0.66 9505 0.67 10000 0.68 Either the graph (preferred) or the spread sheet can be accepted. A graph that looks like the one below is worth 8 pts. If only the spread sheet is shown, and it is correct, award 7 pts (note that the spread sheet is not required). Mud Weight Window 2000 4000 6000 8000 10000 12000 8.0 10.0 12.0 14.0 16.016....
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This note was uploaded on 02/13/2012 for the course PGE 430 taught by Professor Chenevert during the Spring '06 term at University of Texas at Austin.

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HWK 4 solution-1 - PGE 430 Drilling Homework 4 Due at lecture time Oct 9th(1 Please construct a mud window as mud weight(ppg versus depth(ft for

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