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Increasing buoyancy of well treating materials

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
Reexamination Certificate

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Intensified corrosion inhibitor and method of use

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Internal breaker

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Invert well service fluid and method

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Iron control agent

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Low bulk density proppant and methods for producing the same

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Method and composition for controlling fluid loss in high permea

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Method and composition for forming protective precipitate on...

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Method for controlled placement of chemicals and composition...

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Method for controlled placement of oilfield chemicals and...

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Method for inhibiting corrosion using phosphorous acid

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Method of increasing pH of high-density brines

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Method of reducing the concentration of metal soaps of partially

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Methods for controlling the fluid loss properties of...

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Methods of preventing well cement stress failure

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Methods of reducing fluid loss and polymer concentration of well

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Methods of using settable compositions in a subterranean...

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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On-the-fly control of delayed borate-crosslinking of fracturing

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Permeability modifying composition for use in oil recovery

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Polymer Crosslinking System Comprising Soluble Zr(IV),...

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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