0 rop fthr 80000 60000 40000 wob 50000 lb rock

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Unformatted text preview: .0 ROP, ft/hr 80,000 60,000 40,000 WOB= 50,000 lb Rock Confined Strength 20,000 20,000 WOB= 40,000 lb Rock Confined Strength WOB= 30,000 lb WOB= 20,000 lb 0 0 0.0 5.0 10.0 15.0 20.0 ROP, ft/hr Figure 7. MSE calculated with Eq. 4 vs. ROP . 25.0 30.0 0.0 5.0 10.0 15.0 20.0 ROP, ft/hr Figure 8. MSE calculated with Eq. 6 vs. ROP. 25.0 30.0 SPE 116667 11 Bit Hydraulic Contribution / Mechanical Contribution = [(MSE - DSE)/MSE]*100 100.0% WOB = 20,000 lb 90.0% 80.0% 70.0% 60.0% WOB = 30,000 lb 50.0% 40.0% WOB = 40,000 lb 30.0% 20.0% 10.0% 0.0% 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 2 HSI, hp/in Figure 9. The ratio of bit hydraulic contribution and the mechanical contribution vs. bit HSI. Bit Hydraulic Contribution / Mechanical Contribution = [(MSE - DSE)/MSE]*100 100.0% WOB = 20,000 lb 90.0% 80.0% 70.0% WOB = 30,000 lb 60.0% WOB = 40,000 lb 50.0% 40.0% 30.0% 20.0% 10.0% 0.0% 0.0 5.0 10.0 15.0 20.0 ROP, ft/hr Figure 10. The ratio of bit hydraulic contribution and the mechanical contribution vs. ROP. 25.0 30.0 12 SPE 116667 50.0% 50.0% WOB = 20,000 lb Bit H...
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This note was uploaded on 01/31/2014 for the course MOGE 9114 taught by Professor Thomod during the Spring '13 term at Memorial University.

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