/pdf/implementing-artificial-neural-networks-and-support-vector-146oiejnt1.pdf

Implementing Artificial Neural Networks and Support Vector Machines in Stuck Pipe Prediction

Brine-in-glycol emulsions are shown for use as well working fluids. The fluids have a glycol external phase and a brine internal phase. The separate phases are emulsified to create an emulsion and weighted with traditional weighting agents. The external phase is soluble or dispersible in sea water when diluted upon discharge.

Non-hydrocarbon invert emulsions for use in well drilling operations

Low Salinity Polyglycol Water-Based Drilling Fluids as Alternatives to Oil-Based Muds

This paper reports that a full-scale differential-pressure simulator was used to evaluate spotting fluids in the laboratory. Tests at elevated temperature and pressure identified a variety of unweighted and weighted, oil and nonoil fluids that are able to free differentially stuck pipe. Some low-toxicity, water-based spotting fluids are effective and acceptable substitutes for the traditional oil-based systems.

Evaluation of Spotting Fluids in a Full-Scale Differential Pressure Sticking Apparatus

The chapter presents development of Environmental Control Technology (ECT) for oilfield drilling and production processes using the ECT methods of source reduction, source separation, internal recycling, and internal reuse, introduced in Chap. 2. The methods have been used to reduce volume and toxicity of drilling fluid’s discharge from the wellsite. The volume – reducing techniques include non-dispersive/inhibitive mud formulations, closed-loop and dry-drilling systems with dewatering process. Mud toxicity control employs the method of source reduction through substitution or replacement of toxic mud components and the method of source separation for de-oiling rock cuttings for overboard discharge to the sea.

Environmental Control of Drilling Fluids and Produced Water

Toxicity and Performance Testing of Non-Oil Spotting Fluid for Differentially Stuck Pipe

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Toxicity and Performance Testing of Non-Oil Spotting Fluid for Differentially Stuck Pipe