CAVERN PRESSURE MANAGEMENT
First Claim
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1. A method of pressure management in an underground storage volume, comprising:
- storing a compressible fluid in an underground storage volume,storing an incompressible fluid in said underground storage volume,and introducing additional compressible fluid into said underground storage volume, thereby producing a net pressure increase rate (Pinc) within said underground storage volume,wherein Pinc is maintained at less than a predetermined maximum increase value (PImax), wherein PImax is 100 psi/hr, wherein said compressible fluid is hydrogen.
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Abstract
A cavern pressure control method includes storing compressible and possibly incompressible fluids in an underground storage volume, removing a portion or introducing additional incompressible fluid into the underground storage volume, possibly removing a portion or introducing additional compressible fluid into the underground storage volume, thereby producing a net pressure increase rate (Pinc) within the underground storage volume, wherein Pinc is maintained at less than a predetermined maximum increase value (PImax).
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Citations
10 Claims
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1. A method of pressure management in an underground storage volume, comprising:
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storing a compressible fluid in an underground storage volume, storing an incompressible fluid in said underground storage volume, and introducing additional compressible fluid into said underground storage volume, thereby producing a net pressure increase rate (Pinc) within said underground storage volume, wherein Pinc is maintained at less than a predetermined maximum increase value (PImax), wherein PImax is 100 psi/hr, wherein said compressible fluid is hydrogen. - View Dependent Claims (2, 5, 7)
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3-4. -4. (canceled)
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6. (canceled)
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8. A method of pressure management in an underground storage volume, comprising:
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storing a compressible fluid in an underground storage volume, storing an incompressible fluid in said underground storage volume, and introducing additional incompressible fluid into said underground storage volume, producing a net pressure increase rate (Pinc) within said underground storage volume, wherein Pinc is maintained at less than a predetermined maximum increase value (PImax), wherein PImax is 100 psi/hr, wherein said compressible fluid is hydrogen.
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9. A method of pressure management in an underground storage volume, comprising:
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storing a compressible fluid in an underground storage volume, storing an incompressible fluid in said underground storage volume, and introducing additional compressible fluid into said underground storage volume, and concurrently, removing a portion of said incompressible fluid from said underground storage volume, thereby producing a net pressure increase rate (Pinc) within said underground storage volume, wherein Pinc is maintained at less than a predetermined maximum increase value (PImax), wherein PImax is 100 psi/hr, wherein said compressible fluid is hydrogen.
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10. A method of pressure management in an underground storage volume, comprising:
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storing a compressible fluid in an underground storage volume, storing an incompressible fluid in said underground storage volume, and removing a portion of said compressible fluid from said underground storage volume, and concurrently, introducing additional incompressible fluid into said underground storage volume, producing a net pressure increase rate (Pinc) within said underground storage volume, wherein Pinc is maintained at less than a predetermined maximum increase value (PImax), wherein PImax is 100 psi/hr, wherein said compressible fluid is hydrogen.
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Specification