Deployment of Emulsified Scale - Inhibitor Squeeze To Control Sulphate/Carbonate Scales within Subsea Facilities in the North Sea Basin
Bibliographic record
Abstract
Deployment of Emulsified Scale - Inhibitor Squeeze to control Sulphate/Carbonate Scales within Subsea Facilities in the North Sea Basin M.M. Jordan; M.M. Jordan ONES Search for other works by this author on: This Site Google Scholar F. Murray; F. Murray Shell UK Exploration & Production Search for other works by this author on: This Site Google Scholar A. Kelly; A. Kelly ONES Search for other works by this author on: This Site Google Scholar K. Stevens K. Stevens ONES Search for other works by this author on: This Site Google Scholar Paper presented at the International Symposium on Oilfield Chemistry, Houston, Texas, February 2003. Paper Number: SPE-80249-MS https://doi.org/10.2118/80249-MS Published: February 05 2003 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Jordan, M.M., Murray, F., Kelly, A., and K. Stevens. "Deployment of Emulsified Scale - Inhibitor Squeeze to control Sulphate/Carbonate Scales within Subsea Facilities in the North Sea Basin." Paper presented at the International Symposium on Oilfield Chemistry, Houston, Texas, February 2003. doi: https://doi.org/10.2118/80249-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE International Conference on Oilfield Chemistry Search Advanced Search AbstractThis paper presents laboratory/field results and lessons learned from a North Sea field where a novel emulsified scale inhibitor was deployed via bullhead squeeze treatments in four low water cut, sand screened wells. The field is a subsea development within the UK sector of the North Sea. These were the first squeeze treatments to be performed on the field.The remote location of the production wells relative to the production vessel and their high production levels meant that scale management was critical to the effective recovery of hydrocarbon from the field. The risk of scale formation even at low water cut was deemed sufficiency high for a scale inhibitor squeeze application to be applied.The decision to use emulsified scale inhibitor for treating such low water cut wells was arrived at after an extensive series of laboratory tests including formation damage coreflood studies and assessment of chemical retention. The risk of fines mobilisation when deploying water based chemicals in low water cut, poorly consolidated reservoir will be outlined.The challenges with the deployment of the chemical package via a diving support vessel (DSV) and gas lift line will also be outlined along with the performance of the wells following the treatment and the effectiveness of this scale control method.This paper will outline in detail the particular issues associated with chemical injection to a subsea facility, many of which are currently being developed in the Gulf of Mexico and is a good example of lessons learned and sharing best practice from another oil basin.IntroductionScale control in subsea facilities the challenges and the prize. The development of subsea facilities to improve the economics of marginal oilfield developments has focused attention on the need to develop a scale management strategy to manage water production during the life cycle of fields1. The recent development of long (> 20km) subsea tie backs in the North Sea, Gulf of Mexico and West Africa has focused attention on product specification required for this kind of service. The following short sections outline some of the technical challenges and current methods that can be utilized to eliminate or at least reduce the risk to flow assurance by using such chemical treatments. Keywords: scale squeeze treatment, formation water, deployment, hydrate remediation, application, asphaltene remediation, flowline, waterflooding, emulsion, subsea facility Subjects: Production Chemistry, Metallurgy and Biology, Improved and Enhanced Recovery, Inhibition and remediation of hydrates, scale, paraffin / wax and asphaltene, Waterflooding This content is only available via PDF. 2003. Society of Petroleum Engineers You can access this article if you purchase or spend a download.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".