US 7,549,320 B2
Measuring cement properties
Gary Funkhouser, Duncan, Okla. (US); Christian Meyer, Bergen, N.J. (US); David McMechan, Duncan, Okla. (US); David Meadows, Marlow, Okla. (US); and Johnny Johnson, Duncan, Okla. (US)
Assigned to Halliburton Energy Services, Inc., Duncan, Okla. (US)
Filed on Jan. 11, 2007, as Appl. No. 11/622,255.
Prior Publication US 2008/0168848 A1, Jul. 17, 2008
Int. Cl. G01M 3/02 (2006.01); G01N 17/00 (2006.01)
U.S. Cl. 73—37  [73/865.6] 13 Claims
OG exemplary drawing
 
1. A cement sample testing apparatus, comprising:
a first pressure zone;
a second pressure zone;
a pressure control system in fluid communication with the first pressure zone and the second pressure zone, the pressure control system operable to raise the first pressure zone to a first pressure above ambient pressure and operable to raise the second pressure zone to a second pressure above ambient pressure;
a pressure vessel and a seal adapted to isolate the first pressure zone from the second pressure zone, wherein the seal comprises an active seal switchable between a first configuration with a first inner diameter and a second configuration with a smaller inner diameter.