Bibliographic record
Abstract
Abstract Applications to amend existing schemes for enhanced recovery of oil by water injection to allow for the intermittent reinjection of raw sour solution gas into the Bashaw D-2G and D-2L pools during times of shutdown was a low cost solution that would allow continuous production while conserving the sour gas. The applications were approved, and the operator is now able to produce oil and gas continuously despite disruptions, planned or unplanned, of the downstream processing or transportation facilities. Introduction Due to third party failures or scheduled and unscheduled maintenance of downstream operations, Key West Resources Ltd. were forced to completely shut-in their oil and gas production in the Bashaw D-2G and D-2L pools (Figures 1 and 2) for a significant number of days each year. This represented a loss in revenue of approximately $81,000 per day (gross 2002 dollars based on Cdn$40/barrel oil and Cdn$4/MSCF gas). Key West was anxious to find a solution that would work within the existing regulatory framework and that would eliminate the pool shut-ins due to third party failures. Key West also required that the solution result in little or no capital expenditure. The application would have to address the EUB's three main concerns: conservation (of the oil), equity and economics. Applications submitted to the EUB, pursuant to the requirements laid out in Guide 65: Resources Applications for Conventional Oil and Gas Reservoirs, June 2000(1), Sections 2.1 and 4.1, requested the following:Amend Approvals 7609 and 7274 for the injection of water to enhance oil recovery from the Bashaw D-2L and D-2G pools, respectively, pursuant to Section 26 (1,a) of the Oil and Gas Conservation Act and Guide G-51, by the intermittent reinjection of raw sour solution gas produced from the pool; and toRe-classify the wells approved for Class II water injection in Approvals 7609 and 7274 to Class III injection (sour gas) wells. The EUB reviewed the initial submission and compiled a list of concerns relating to the suitability and capability of the existing water injection pipeline network to handle the sour gas and the effect of the proposed reinjection on overall oil recovery in the Bashaw D-2L and D-2G pools. The initial and supplemental submissions met all the requirements of Guide 65, while meeting Key West's requirement to maintain production during times of shut-in. Key West was required to compromise on the annual volume they would reinject. The volume approved was a volume that reflected current gas production rates for three consecutive months, rather than a rate based on future development and a catastrophic six month shut-in. Approval to reinject sour gas intermittently into the Bashaw D-2L and D-2G pools, during times when the pools would be shut-in due to third party failures, were granted March 28, 2003 and December 23, 2003, respectively. Discussion Applications #1287609 and #1287472 were submitted to the Alberta Energy and Utilities Board by Fekete Associates, Inc. on behalf of Key West Energy Corporation in December 2002. The purpose of the applications was solely to avoid the loss of production due to plant or pipeline failures, routine maintenance or scheduled turnarounds.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.008 | 0.012 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.003 | 0.004 |
| Scholarly communication | 0.008 | 0.004 |
| Open science | 0.002 | 0.005 |
| Research integrity | 0.006 | 0.005 |
| Insufficient payload (model declined to judge) | 0.030 | 0.011 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".