Cementing the deepest 20 inch Casing in Abu Dhabi using a combination of Noval Light Weight Slurry and Fiber
Why this work is in the frame
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Bibliographic record
Abstract
Abstract The Gas Khuff well is an offshore appraisal well drilled to explore the potential of gas production from Khuff formation. The drilling objective of this well is to penetrate the top Khuff formation at 13877ft down to the lower Khuff formation at 16335 ft with 8½ hole. It was vital to drill 26 inch hole section throughout depleted water aquifers and weak fractured limestone formations, down to the deepest possible depth (5639 ft). Moreover, the long-term integrity of the gas well necessitated cementing the 20 inch casing up to surface with low permeability, high compressive and tensile strength, and lightweight cement without the use of stage tool. Meeting these requirements shall provide long-term casing protection against corrosion, isolate sour water aquifers and reduce potential of gas migration in the future. Loss circulation problem encountered while drilling the 26 inch hole and large slurry volume exceeding the handling capacity of the rig and required to fill the annular space, were the main challenges in meeting these objectives. A combination of Novel light weight slurry mixed at 1.2 SG (10 PPG) and fiber were used minimize the potential of losses during the cementing job execution. Meanwhile, additional bulk storage, mixing equipment and pump unit were mobilized to the rig in order to double the bulk storage capacity and handle large volume of cement slurry.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 it