HWK 8 solution

# HWK 8 solution - a simple circle around each well. You may...

This preview shows pages 1–3. Sign up to view the full content.

PGE 203 HWK 8 Solution Due at start of lecture: April 26. There is a production data set posted on black board for HWK 8. (1) Please determine the economic limit if: ( 29 ( 29 \$80/STBO \$4,000/ month/well 100% 70% 4.6% State oil severance tax 3% Local ad valorem tax 4,000 1.00 EL= 77 STBO/month 80 0.70 (1 0.046 0.03) (+1 pt) OP LOE WI NRI STO STL = = = = = = = - - (2) From the production data, please construct a decline curve for each well and determine the oil recovery to the economic limit. y = 4921.1e -0.03x 100 1000 10000 0 10 20 30 40 Oil Rate (STBO/Month) Time (months) I No. 2 0.03(31) 31 4921.1 1941.6 STBO/month 1941.6 77 62,153 STBO 0.03 98,360 62,153 160,513 STBO p p q e N N - = = - = = = + = Graph +1 pt and Np +1 pt for each well.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
y = 3883.4e -0.023x 100 1000 10000 0 5 10 15 20 25 30 Oil Rate (STBO/Month) Time (months) I No. 3 0.023(31) 31 3883.4 1903.5 STBO/month 1903.5 77 79,413 STBO 0.023 79,445 79,413 158,858 STBO p p q e N N - = = - = = = + = (3) Using the map attached to the production data, please draw a bubble map around each well as
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a simple circle around each well. You may assume the following reservoir properties. ( 29 ( 29 ( 29 ( 29 7 2 2 25' for each well 27% 28% 1.2 bbl/STB 2.8 10 0.27 1 0.28 /1.2 808,000 STBO 5.615 160,513+158,858 0.395 808,000 For well No. 2 160,513 1.2 5.615 563,388 ft 25 0.27 1 0.28 0. (+1 395 423 pt) (+1 p ) ( t ' w o h S B x N R A r = = = = =-= = = = =-= ( 29 ( 29 ( 29 2 2 For well No. 3 158,858 1.2 5.615 557,579 ft 25 0. +1 pt 27 1 0.28 0.395 421' ) (+1 pt) A r = =-= Map +1 pt N Scale 200' Contour Area (sqft) Ah (ft^3) 30' 4.0E+05 1.2E+07 20' 3.6E+05 9.1E+06 10' 3.5E+05 5.3E+06 0' 3.6E+05 1.8E+06 Total 1.5E+06 2.8E+07 2 30' 4 15' 3 25' 4 0' 30' 20' 10' 0'...
View Full Document

## This note was uploaded on 11/03/2010 for the course PGE 203 taught by Professor Taylor during the Spring '08 term at University of Texas at Austin.

### Page1 / 3

HWK 8 solution - a simple circle around each well. You may...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online