Formation fluid sampler

Claim 1

A DEVICE FOR OBTAINING SAMPLES OF THE FLUID CONTENT OF FORMATIONS TRAVERSED BY A BOREHOLE CONTAINING A COLUMN OF FLUID COMPRISING: A SUPPORT ADAPTED TO BE SUSPENDED IN A BOREHOLE BY MEANS OF A WIRELINE FROM THE EARTH''S SURFACE; A CHAMBER IN SAID SUPPORT FOR RECEIVING A FLUID SAMPLE; MEANS MOUNTED ON SAID SUPPORT ADAPTED TO ISOLATE AN AREA OF BOREHOLE WALL WHEN ENGAGED THEREWITH; MOTIVE MEANS IN SAID SUPPORT FOR MOVING SAID MEANS INTO ENGAGEMENT WITH THE WALL OF THE BOREHOLE; AN INLET MEMBER IN THE FIRST-MENTIONED MEANS HAVING WALLS ADAPTED FOR EXPOSURE TO AND FOR WITHSTANDING THE PRESSURE OF SAID COLUMN OF FLUID; A CHARGE OF EXPLOSIVE MATERIAL, SHAPED FOR PRODUCING A JET STREAM WHEN DETONED, SAID CHARGE BEING HOUSED IN SAID INLET MEMBER IN SPACED RELATION TO SAID WALLS AND NORMALLY CLOSING SAID INLET MEMBER AND PREVENTING BOREHOLE FLUIDS FROM ENTERING SAID CHAMBER; MEANS IN SAID INLET MEMBER FOR DETONATING SAID CHARGE; A SPACER DISPOSED ABOUT SAID CHARGE WITHIN SAID INLET FOR MAINTAINING SAID SPACED RELATION COMPRISES OF POROUS MATERIAL; AND A FLUID CHANNEL COMMUNICATING BETWEEN SAID INLET MEMBER AND SAID CHAMBER, SAID CHARGE WHEN DETONATED ADAPTED TO RADIALLY COMPRESS SAID POROUS MATERIAL AGAINST THE WALLS OF SAID INLET MEMBER, WHEREBY FLUID COMMUNICATION IS ESTABLISHED THROUGH SAID INLET MEMBER BETWEEN THE FORMATION WITHIN SAID ISOLATED AREA AND SAID CHAMBER.

Claim 2

A DEVICE FOR OBTAINING SAMPLES OF THE FLUID CONTENT OF FORMATIONS TRAVERSED BY A BOREHOLE CONTAINING A COLUMN OF FLUID COMPRISING: A SUPPORT ADAPTED TO BE SUSPENDED IN A BOREHOLE BY MEANS OF A WIRELINE FROM THE EARTH''S SURFACE; A CHAMBER IN SAID SUPPORT FOR RECEIVING A FLUID SAMPLE; MEANS MOUNTED ON SAID SUPPORT ADAPTED TO ISOLATE AN AREA OF BOREHOLE WALL WHEN ENGAGED THEREWITH; MOTIVE MEANS IN SAID SUPPORT FOR MOVING SAID MEANS INTO ENGAGEMENT WITH THE WALL OF THE BOREHOLE; AN INLET MEMBER IN THE FIRST-MENTIONED MEANS HAVING WALLS ADAPTED FOR EXPOSURE TO AND FOR WITHSTANDING THE PRESSURE OF SAID COLUMN OF FLUID; A CHARGE OF EXPLOSIVE MATERIAL, SHAPED FOR PRODUCING A JET STREAM WHEN DETONED, SAID CHARGE BEING HOUSED IN SAID INLET MEMBER IN SPACED RELATION TO SAID WALLS AND NORMALLY CLOSING SAID INLET MEMBER AND PREVENTING BOREHOLE FLUIDS FROM ENTERING SAID CHAMBER; MEANS IN SAID INLET MEMBER FOR DETONATING SAID CHARGE; A SPACER DISPOSED ABOUT SAID CHARGE WITHIN SAID INLET FOR MAINTAINING SAID SPACED RELATION COMPRISES OF POROUS MATERIAL; AND A FLUID CHANNEL COMMUNICATING BETWEEN SAID INLET MEMBER AND SAID CHAMBER, SAID CHARGE WHEN DETONATED ADAPTED TO RADIALLY COMPRESS SAID POROUS MATERIAL AGAINST THE WALLS OF SAID INLET MEMBER, WHEREBY FLUID COMMUNICATION IS ESTABLISHED THROUGH SAID INLET MEMBER BETWEEN THE FORMATION WITHIN SAID ISOLATED AREA AND SAID CHAMBER.

Claim 3

A DEVICE FOR OBTAINING SAMPLE OF FLUID CONTENT OF FORMATIONS TRAVERSED BY A BOREHOLE COMPRISING: A SUPPORT ADAPTED TO BE SUSPENDED IN A BOREHOLE BY MEANS OF A WIRELINE FROM THE EARTH''S SURFACE; A CYLINDER IN SAID SUPPORT FOR RECEIVING A FLUID SAMPLE; MEANS MOUNTED ON SAID SUPPORT FOR ISOLATING AN AREA OF BOREHOLE WALL WHEN SAID MEANS IS ENGAGED THEREWITH; A FLUID INLET IN SAID MEANS FOR ADMITTIN SAID FLUID SAMPLE FROM THE ISOLATED AREA OF BOREHOLE WALL; A FLUID CHANNEL COMMUNICATING BETWEEN SAID INLET AND SAID CYLINDER; MOTIVE MEANS IN SAID SUPPORT FOR MOVING SAID MEANS INTO ENGAGEMENT WITH THE WALL OF THE BOREHOLE IN RESPONSE TO SIGNAL COMMUNICATED FROM THE EARTH''S SURFACE; A PISTON IN SAID CYLINDER DISPLACEABLE THEREIN IN RESPONSE TO FORMATION SAMPLE FLUIDS ENTERING SAID CYLINDER, SAID PISTON INCLUDING MEANS RESPONSIVE TO THE PRESSURE OF FORMATION SAMPLE FLUID EXERTED THEREON IN SAID CYLINDR TO VARIABLY OPPOSED DISPLACEMENT OF SAID PISTON IN DIRECT PROPORTION TO SAID PRESSURE.

Claim 4

A DEVICE FOR OBTAINING SAMPLE OF FLUID CONTENT OF FORMATIONS TRAVERSED BY A BOREHOLE COMPRISING: A SUPPORT ADAPTED TO BE SUSPENDED IN A BOREHOLE BY MEANS OF A WIRELINE FROM THE EARTH''S SURFACE; A CYLINDER IN SAID SUPPORT FOR RECEIVING A FLUID SAMPLE; MEANS MOUNTED ON SAID SUPPORT FOR ISOLATING AN AREA OF BOREHOLE WALL WHEN SAID MEANS IS ENGAGED THEREWITH; A FLUID INLET IN SAID MEANS FOR ADMITTIN SAID FLUID SAMPLE FROM THE ISOLATED AREA OF BOREHOLE WALL; A FLUID CHANNEL COMMUNICATING BETWEEN SAID INLET AND SAID CYLINDER; MOTIVE MEANS IN SAID SUPPORT FOR MOVING SAID MEANS INTO ENGAGEMENT WITH THE WALL OF THE BOREHOLE IN RESPONSE TO SIGNAL COMMUNICATED FROM THE EARTH''S SURFACE; A PISTON IN SAID CYLINDER DISPLACEABLE THEREIN IN RESPONSE TO FORMATION SAMPLE FLUIDS ENTERING SAID CYLINDER, SAID PISTON INCLUDING MEANS RESPONSIVE TO THE PRESSURE OF FORMATION SAMPLE FLUID EXERTED THEREON IN SAID CYLINDR TO VARIABLY OPPOSED DISPLACEMENT OF SAID PISTON IN DIRECT PROPORTION TO SAID PRESSURE.