A method for using a drilling fluid test device including a test cell including a perforated plate disposed proximate a first end of the test cell, a piston disposed within the cell, a first chamber formed between the perforated plate and the piston, the first chamber configured to receive lost circ
A method for using a drilling fluid test device including a test cell including a perforated plate disposed proximate a first end of the test cell, a piston disposed within the cell, a first chamber formed between the perforated plate and the piston, the first chamber configured to receive lost circulation material (LCM), a second chamber formed between the piston and a second end of the test cell, the piston providing a seal between the first and second chambers, a fluid inlet disposed proximate the second end of the test cell configured to introduce fluid into a second chamber of the test cell, a filtrate outlet disposed proximate the first end of the test cell to discharge filtrate, and a pump in communication with the fluid inlet.
대표청구항▼
1. A system comprising: a test cell comprising: a perforated plate disposed proximate a first end of the test cell, the perforated plate comprising at least one perforation spanning a substantial majority of the chord along which it lies;a piston disposed within the test cell;a first chamber formed
1. A system comprising: a test cell comprising: a perforated plate disposed proximate a first end of the test cell, the perforated plate comprising at least one perforation spanning a substantial majority of the chord along which it lies;a piston disposed within the test cell;a first chamber formed between the perforated plate and the piston, the first chamber configured to receive lost circulation material (LCM);a second chamber formed between the piston and a second end of the test cell, the piston providing a seal between the first and second chambers;a fluid inlet disposed proximate the second end of the test cell configured to introduce fluid into a second chamber of the test cell;a filtrate outlet disposed proximate the first end of the test cell to discharge filtrate;a pump in communication with the fluid inlet; anda central control unit coupled to the test cell configured to monitor a pressure in the second chamber and a flow rate at the filtrate outlet and provide instructions to the pump based on the pressure and the flow rate. 2. The system of claim 1, further comprising a fluid inlet configured to introduce fluid to the first chamber. 3. The system of claim 1, wherein the perforated plate includes at least one slot, the at least one slot having a width ranging from about 1 mm to 5 mm. 4. The system of claim 1, further comprising a pressure measuring device coupled to the pump. 5. The system of claim 1, further comprising a filtrate collection vessel in communication with the filtrate outlet. 6. The system of claim 1, further comprising at least one of a volume measuring device, a flow meter, or pressure sensor coupled to the filtrate outlet. 7. The system of claim 1, wherein the central control unit is further configured to provide instructions to the apparatus for testing fluids at a drilling location. 8. The system of claim 1, further comprising a spacer ring disposed between the perforated plate and the filtrate outlet, wherein the spacer ring interfaces an inner surface of a body of the test cell. 9. The system of claim 8, further comprising a third chamber formed between the perforated plate and the first end of the test cell. 10. A method of testing well fluid comprising: filling a first chamber of test cell with lost circulation material (“LCM”);applying a first pressure to a piston in the test cell by introducing fluid into a second chamber of a test cell wherein the first chamber and the second chamber are separated by the piston;wherein the first pressure forces a filtrate to exit the test cell through a perforated plate within the first chamber and forms a seal by depositing the LCM on the perforated plate;incrementally increasing pressure on the piston until the seal breaks at a second pressure; anddetermining a relationship between a flow rate of the filtrate and the increasing pressure. 11. The method of claim 10, wherein the first or pressure is a lower threshold, and the second pressure is an upper threshold. 12. The method of claim 10, further comprising directing the filtrate to a filtrate collection vessel. 13. The method of claim 10, further comprising: monitoring at least one filtrate property of volume and material composition of the filtrate; andanalyzing the at least one filtrate property a function of pressure. 14. The method of claim 10, further comprising automatically testing the well fluid, the automatically testing comprising: sending a signal from a pressure sensor coupled to the test cell to the central control unit, sending a signal from a filtrate monitoring device to the central control unit; andsending a signal from a central control unit to a pump in communication with the second chamber. 15. The method of claim 10, wherein the first chamber is between the perforated plate proximate a first end of the test cell and the piston; andthe second chamber is between the piston and a second end of the test cell. 16. The method of claim 15, wherein applying the first pressure to the piston Ante comprises: maintaining a higher pressure in the second chamber than the first chamber. 17. The method of claim 10, further comprising monitoring changes in the pressure applied to the piston. 18. The method of claim 17, wherein the pressure of the second chamber is monitored with a transducer.
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Burghoffer Patrick (Lognes FRX) Pourprix Michel (Montlhery FRX) Poussier Patrick (Vincennes FRX), Aerosol sampler with cascade impaction and uniform deposition.
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