SINGLE PUMP FOCUSED SAMPLING
First Claim
Patent Images
1. An apparatus, comprising:
- first and second intakes configured to receive formation fluid from a subterranean formation penetrated by a borehole;
a pump configured to;
draw formation fluid into the first and second intakes; and
discharge into the borehole at least a portion of the formation fluid drawn into the second intake; and
a sample chamber in selective fluid communication with the first intake.
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Abstract
An apparatus comprising first and second fluid intakes, a pump, and a sample chamber, may be positioned in a borehole penetrating a subterranean formation. A method of use thereof may comprise drawing fluid from the subterranean formation and into the first and second fluid intakes using the pump, discharging into the borehole at least a portion of the fluid drawn into the second fluid intake, and selectively diverting at least a portion of the fluid drawn into the first fluid intake to the sample chamber.
131 Citations
20 Claims
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1. An apparatus, comprising:
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first and second intakes configured to receive formation fluid from a subterranean formation penetrated by a borehole; a pump configured to; draw formation fluid into the first and second intakes; and discharge into the borehole at least a portion of the formation fluid drawn into the second intake; and a sample chamber in selective fluid communication with the first intake. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method, comprising:
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positioning an apparatus in a borehole penetrating a subterranean formation, the apparatus comprising first and second fluid intakes, a pump, and a sample chamber; drawing formation fluid from the subterranean formation and into the first and second fluid intakes using the pump; discharging into the borehole at least a portion of the formation fluid drawn into the second fluid intake; and selectively diverting at least a portion of the formation fluid drawn into the first fluid intake to the sample chamber. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification