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Advances in Drilling and Production Methods

By ROBERT R. BOYD, BEVERLEY HILLS, CALIFORNIA

In collaboration with Ward B. Blodget, assistant manager, Chanslor-Canfield Midway Oil Co., Los Angeles, Cal., and N. W. Wickersham, valuation engineer, same company.

This paper presented a number of topics discussing the many advances in drilling and productions technology in California.  Only one paragraph was devoted to drilling fluids.  A copy of that paragraph follows.  A list of the other topics is included with comments if the topic effects drilling fluids operation.
Use of Mineral Mud
"The use of heavy mineral mud as an accessory in drilling wells in areas of heavy gas pressure has been an outstanding advance of the year.  Barite was first used successfully, but for commercial reasons hematite has supplanted it. There is now a plant preparing high-grade hematite ore for the purpose of mixing with rotary mud to increase its weight.  The average heavy mud used in the Ventura district weighs 85 lb. per cu. ft.; some muds weighing 100 lb. per cu. ft. have been used.
Hematite in the mud has only a slight effect on its viscosity. Consequently the increased weight, which gives additional pressure on the bottom of the hole, does not seriously increase the pump pressure."
Stroud disclosed his application of high density minerals to control pressures in 1921 and received a patent for such in 1926.  Evidently the use of weight materials was commonly used in California.  
Conversion of units:  
            85 lb/ft3 / 7.5 = 11.3 lb/gal
            100 lb/ft3 / 7.5 = 13.3 lb/gal
 
Topics Covered

      Advances in Drilling Equipment

            Rotary Equipment

            Deep Holes - 8046 ft

     Use of Electricity - First used in 1922

     Danger of Crooked Holes

     Method of Surveying Drill Holes

     Automatic Electric Drilling

     Improved Draw Works

     Improvements in Pipe

     New Draw Works

    Kinds of Power Used

     Advantages of Electric Power

     Anti-friction Tool Joints and Collars

     Improved Bits

     Steel and Dual Derricks

     Use of Mineral Mud - See above

     Advances in Production Methods

     Stronger Materials Needed for Pumping Equipment

     Gas Lifts

     The Maietta Repressuring Process

     Gas Coservation

     Field Storage and Oil-Handling Facilities


 

 

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