24a Wed Apr 8 - Incremental Economics

.pdf

School

Texas A&M University *

*We aren’t endorsed by this school

Course

416

Subject

Economics

Date

Nov 24, 2024

Type

pdf

Pages

14

Uploaded by SargentTeamDugong21

Report
1 Petroleum Engineering 416 Incremental Economics Texas A&M University 1
Incremental Economics Spend capital to “improve” a well’s performance Run Cash Flow Economics on the Base Case and the Improved Case Separately Cannot simply subtract the Improved Production Case from the Base Case and run economics on the Incremental Production Each case will reach it’s own economic limit at different times 2
10 100 1,000 10,000 0 48 96 144 192 240 288 336 384 432 480 Time, months Monthly Gas Volume, Mcf Base Case Stimulated Case Incremental Red Line is the Base Case Green Line is the Stimulated Case Blue Line is the Incremental Increase in Production due to Stimulation (Green Line minus Red Line) Do Not Run Incremental Economics by Simply Running Economics on the Incremental Production 3
10 100 1,000 10,000 0 48 96 144 192 240 288 336 384 432 480 Time, months Monthly Gas Volume, Mcf Base Case Stimulated Case Incremental Red Line is the Base Case Green Line is the Stimulated Case Blue Line is the Incremental Increase in Production due to Stimulation (Green Line minus Red Line) This is an economic summary on the incremental production only (Blue Line). Have to make assumptions about what’s different between the Base Case and the Stim Case, particularly in Operating Expenses. Usually, the fixed opex will be the same, so doing this, we probably should set opex = 0. Then it becomes difficult to determine a realistic Economic Limit. Do Not Run Incremental Economics by Simply Running Economics on the Incremental Production Wellhead Reserves, MMcf 285.0 Net Reserves, MMcf 216.6 PV0 $847,634 PV10 $401,677 Investment $250,000 ROR 21.6% PVI10% 0.78 Payout, years 4.25 Economic Limit, Mcf/day 1 Well Life, years 40 4
10 100 1,000 10,000 0 48 96 144 192 240 288 336 384 432 480 Time, months Monthly Gas Volume, Mcf Base Case Stimulated Case Incremental A Better Way to Run Incremental Economics is to Run Each Case Separately, then subtract the Cash Flows Notice that the Base Case (Red Line) becomes uneconomic around month 40, then it goes away and the entire production stream from this point forward is attributed to the stimulation case. The Stimulated Case becomes uneconomic around 10 years. Base Stimulated Incremental Wellhead Reserves, MMcf 100.4 405.9 305.6 Net Reserves, MMcf 76.3 308.5 232.2 PV0 $17,176 $148,802 $131,625 PV10 $18,072 $49,179 $31,107 Investment $250,000 $250,000 ROR 17.1% 14.2% PVI10% 0.20 0.12 Payout, years 3.67 4.00 Economic Limit, Mcf/day 72 68 Well Life, years 3.3 9.8 5
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help