BAKER HUGHES INTEQ DRILLING FLUIDS REFERENCE MANUAL PDF

Baker Hughes INTEQ, Baker Oil Tool,. Hughes . Baker Hughes Drilling Fluids division, many special chemicals and deals especially with the products of the INTEQ Division. .. time-consuming manual work are relatively expensive. Baker Hughes INTEQ Drilling Engineering Workbook A Distributed Learning B / December Drilling Fluids Workbook H Rev. .. and paragraph references and the following information is included in your transmittal. Department Drilling Engineering Workbook P/N H Manual Date. Geothermal drilling fluids commonly used include water based mud, water only .. dependent on temperature (Baker Hughes INTEQ, ). Drilling fluid.

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United States Patent In the drilling of depleted sands, there is also a need to prevent fliids intrusion of drilling fluid through the borehole and into the formation. A common technique used to increase latex stability in electrolyte solutions is the addition of some surfactants. The method of claim 5 where in providing the water-based drilling fluid, the water-based drilling fluid further comprises a surfactant.

baker hughes inteq drilling fluids reference manual – Tài liệu text

The following components were then added, again given in gram proportions for a single barrel and 7 barrels, respectively: Shale Inhibition Test The shale inhibition characteristics were determined by shale dispersion tests that included static wafer test, and pore pressure PPT tests.

The method of claim 8 where in providing the water-based drilling fluid, the polymer latex comprises particles that average less than 1 micron in size. With a few hours of continued circulation after the greater pressure differential was established, the seal was more stable. This can also reduce costs in some applications. In fact the term under-balanced drilling Documents.

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However, it will be evident that various modifications and changes can be made thereto without departing from the broader spirit or scope of the invention as set forth in the appended claims. Oil can be emulsified in the water or brine. Ause of salt only comparative Ex. In a more preferred embodiment, the proportions range from about 1 to 8 vol. The circumference of the shale and pistons sealed with a rubber sleeve.

A Hassler cell is a cylinder with a piston inserted in each end.

CROSS REFERENCE TO RELATED APPLICATIONS

The method of claim 9 frilling the salt is present in the drilling fluid in an amount of from ddrilling 1 wt.

This application is a continuation in part of U. After stirring 5 minutes, slowly add 3 grams NaAlO 2 into the above solution and mix for a total of 20 minutes. A synergistic effect between latex and aluminum complex has also been observed in these tests.

In applications of drilling in depleted manula, there is often no need of a precipitating agent. Methods of sealing subterranean zones.

Brine-based drilling fluids, of course are a water-based mud in which the aqueous component is brine. Rubber barytes compositions and methods of preparation. Drilling fluids used in the drilling of subterranean oil and gas wells as well as other drilling fluid applications and drilling procedures are known.

It is anticipated that more than one type of polymer latex may be used simultaneously. Water-dispersible polymers were selected to provide sources of small, deformable particles to provide a sealing and blocking effect on the shale.

The pressure rose only a few psi in 45 hours. The essential components of the water-based drilling fluids of this invention are the polymer latex and water, which makes up the bulk of the fluid.

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The fluid of Example 1 was used. Published on Jan View 70 Download Photomicrographs of the plug face showed latex accumulation along microfractures in the shale. Unless otherwise noted, the latex in the Examples is Latex, a polyvinylacetate latex. The method of claim 8 where in providing the water-based drilling fluid, the surfactant is present in the drilling fluid in an amount of from about 0.

Accordingly, it is an object of the present invention to provide methods to stabilize shale formations and avoid loss of fluids into depleted sands formations when drilling with water-based drilling fluids.

Suitable precipitating agents include, but are not limited to, silicates, aluminum complexes, and mixtures thereof. Olefins and lubricants, rate of penetration enhancers, and spotting fluid additives for water-based drilling fluids. The toxicities of all of these products meet the requirement for fluid disposal drulling the Gulf of Mexico.

The method of claim 1 where in providing flyids water-based drilling fluid, the fluid further comprises a precipitating agent selected from the group consisting of silicates, aluminum complexes, and mixtures thereof. Slowly add 18 ml tested hyghes sample into the solution and adjust the Prince Castle mixer to rpm with Variac and tachometer.

With the drop in differential pressure, the shale is no longer supported and can easily break off and fall into the well bore. The proportion of the precipitating agent in the drilling mud, based on the total amount of the fluid may range from about 0.