Electrical measuring system

Claim 2

APPARATUS FOR MEASURING THE BS & W CONTENT OF CRUDE OIL COMPRISING: (1) A BRIDGE NETWORK COMPRISING FIRST, SECOND, THIRD AND FOURTH BRIDGE TERMINALS, A MEASURING CAPACITOR CONNECTED BETWEEN SAID FIRST AND SECOND BRIDGE TERMINALS, MEANS FOR UTILIZING SAID CRUDE OIL AS THE DIELECTRIC MATERIAL OF SAID MEASURING CAPACITOR, AN A.C. VOLTAGE SOURCE, MEANS FOR CONNECTING SAID VOLTAGE SOURCE ACROSS SAID FIRST AND THIRD BRIDGE TERMINALS, A FIRST IMPEDANCE ELEMENT CONNECTED BETWEEN SAID FIRST AND FOURTH BRIDGE TERMINALS, AND A SECOND IMPEDANCE ELEMENT CONNECTED BETWEEN SAID THIRD AND FOURTH BRIDGE TERMINALS; (2) AN OUTPUT CIRCUIT COMPRISING MEANS FOR AMPLIFYING THE VOLTAGE BETWEEN SAID SECOND AND FOURTH BRIDGE TERMINALS, A PHASE DETECTOR, MEANS FOR APPLYING THE THUS AMPLIFIED VOLTAGE TO A FIRST INPUT OF SAID PHASE DETECTOR, AND MEANS FOR APPLYING THE OUTPUT OF SAID VOLTAGE SOURCE TO A SECOND INPUT OF SAID PHASE DETECTOR; AND (3) A SPECIFIC GRAVITY COMPENSATING SYSTEM COMPRISING A MAIN FLOAT POSITIONED IN SAID CRUDE OIL, A HYDROMETER FLOAT, A BODY OF DIELECTRIC MATERIAL SECURED TO SAID HYDROMETER FLOAT, A SECOND SECURED TO SAID MAIN FLOAT AND HAVING FIRST AND SECOND SPACED APART ELECTRODES TO DEFINE A CHAMBER FOR RECEIVING SAID BODY, MEANS FOR RESTRAINING THE MOTION OF SAID BODY TO MAINTAIN IT IN ALIGNMENT WITH SAID CHAMBER WHILE RELATIVE MOTION OCCURS BETWEEN SAID BODY AND SAID SECOND CAPACITOR, AND MEANS CONNECTING SAID SECOND CAPACITOR BETWEEN SAID SECOND AND THIRD BRIDGE TERMINALS.

Claim 3

APPARATUS FOR AUTOMATICALLY INTRODUCING INTO A PIPELINE CRUDE OIL HAVING A BS & W CONTENT BELOW A PREDETERMINED VALUE, AND FOR REJECTING CRUDE OIL HAVING A BS & W CONTENT ABOVE SAID PREDETERMINED VALUE, COMPRISING: (1) A TRANSFER SYSTEM COMPRISING A BS & W MONITOR HAVING A MEASURING CAPACITOR, A TANK MEANS ADAPTED TO REMOVE CRUDE OIL FROM A SOURCE OF CRUDE OIL AND TO PASS AT LEAST A PORTION OF THE THUS OBTAINED CRUDE OIL THROUGH SAID BS & W MONITOR TO SERVE AS THE DIELECTRIC MATERIAL OF SAID MEASURING CAPACITOR, MEANS FOR PASSING AT LEAST A PORTION OF SAID THUS OBTAINED CRUDE OIL INTO SAID TANK, A GRAVITY-CAPACITANCE PROBE HAVING A COMPENSATING CAPACITOR AND POSITIONED IN SAID TANK, VALVE MEANS, METERING MEANS, MEANS FOR PASSING SAID THUS OBTAINED CRUDE OIL TO SAID VALVE MEANS, MEANS ADAPTED TO RETURN CRUDE OIL FROM SAID VALVE MEANS TO SAID SOURCE OF CRUDE OIL, MEANS CONNECTED BETWEEN SAID VALUE MEANS AND SAID METERING MEANS TO PASS CRUDE OIL FROM SAID VALVE MEANS TO SAID METERING MEANS, SAID VALVE MEANS BEING ADAPTED IN A FIRST POSITION TO PASS SAID THUS OBTAINED CRUDE OIL TO SAID METERING MEANS, SAID VALVE MEANS BEING ADAPTED IN A SECOND POSITION TO PASS SAID THUS OBTAINED OIL TO SAID MEANS ADAPTED TO RETURN, AND MEANS ADAPTED TO PASS CRUDE OIL FROM SAID METERING MEANS INTO A PIPELINE; (2) A BRIDGE NETWOORK COMPRISING FIRST, SECOND, THIRD, AND FOURTH BRIDGE TERMINALS, MEANS FOR CONNECTING SAID MEASURING CAPACITOR BETWEEN SAID FIRST AND SECOND BRIDGE TERMINALS, MEANS FOR CONNECTING SAID COMPENSATING CAPACITOR BETWEEN SAID SECOND AND THIRD BRIDGE TERMINALS, AN A.C. VOLTAGE SOURCE, MEANS FOR CONNECTING SAID VOLTAGE SOURCE ACROSS SAID FIRST AND THIRD BRIDGE TERMINALS, A FIRST IMPEDANCE ELEMENT CONNECTED BETWEEN SAID FIRST AND FOURTH BRIDGE TERMINALS, AND A SECOND IMPEDANCE ELEMENT CONNECTED BETWEEN SAID THIRD AND FOURTH BRIDGE TERMINALS; (3) AN OUTPUT CIRCUIT COMPRISING MEANS FOR AMPLIFYING THE VOLTAGE BETWEEN SAID SECOND AND FOURTH BRIDGE TERMINALS, A PHASE DETECTOR, MEANS FOR APPLYING THE THUS AMPLIFIED VOLTAGE TO A FIRST INPUT OF SAID PHASE DETECTOR, MEANS FOR APPLYING THE OUTPUT OF SAID VOLTAGE SOURCE TO A SECOND INPUT OF SAID PHASE DETECTOR, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID PHASE DETECTOR TO CHANGE SAID VALVE MEANS FROM ONE OF SAID FIRST AND SECOND POSITIONS TO THE OTHER; AND (4) SAID GRAVITY-CAPACITANCE PROBE COMPRISING A MAIN FLOAT POSITIONED IN SAID CRUDE OIL, A HYDROMETER FLOAT, A BODY OF DIELECTRIC MATERIAL SECURED TO SAID HYDROMETER FLOAT, SAID COMPENSATING CAPACITOR BEING SECURED TO SAID MAIN FLOAT AND HAVING FIRST AND SECOND SPACED APART ELECTRODES TO DEFINE A CHAMBER FOR RECEIVING SAID BODY, AND MEANS FOR RESTRAINING THE MOTION OF SAID BODY, TO MAINTAIN IT IN ALIGNMENT WITH SAID CHAMBER WHILE RELATIVE MOTION OCCURS BETWEEN SAID BODY AND SAID COMPENSATING CAPACITOR.

Claim 4

APPARATUS FOR AUTOMATICALLY INTRODUCING INTO A PIPELINE CRUDE OIL HAVING A BS & W CONTENT BELOW A PREDETERMINED VALUE, AND FOR REJECTING CRUDE OIL HAVING A BS & W CONTENT ABOVE SAID PREDETERMINED VALUE, COMPRISING: (1) A TRANSFER SYSTEM COMPRISING A BS & W MONITOR HAVING A MEASURING CAPACITOR, A TANK MEANS ADAPTED TO REMOVE CRUDE OIL FROM A SOURCE OF CRUDE OIL AND TO PASS AT LEAST A PORTION OF THE THUS OBTAINED CRUDE OIL THROUGH SAID BS & W MONITOR TO SERVE AS THE DIELECTRIC MATERIAL OF SAID MEASURING CAPACITOR, MEANS FOR PASSING AT LEAST A PORTION OF SAID THUS OBTAINED CRUDE OIL INTO SAID TANK, A GRAVITY-CAPACITANCE PROBE HAVING A COMPENSATING CAPACITOR AND POSITIONED IN SAID TANK, VALVE MEANS, METERING MEANS, MEANS FOR PASSING SAID THUS OBTAINED CRUDE OIL TO SAID VALVE MEANS, MEANS ADAPTED TO RETURN CRUDE OIL FROM SAID VALVE MEANS TO SAID SOURCE OF CRUDE OIL, MEANS CONNECTED BETWEEN SAID VALUE MEANS AND SAID METERING MEANS TO PASS CRUDE OIL FROM SAID VALVE MEANS TO SAID METERING MEANS, SAID VALVE MEANS BEING ADAPTED IN A FIRST POSITION TO PASS SAID THUS OBTAINED CRUDE OIL TO SAID METERING MEANS, SAID VALVE MEANS BEING ADAPTED IN A SECOND POSITION TO PASS SAID THUS OBTAINED OIL TO SAID MEANS ADAPTED TO RETURN, AND MEANS ADAPTED TO PASS CRUDE OIL FROM SAID METERING MEANS INTO A PIPELINE; (2) A BRIDGE NETWOORK COMPRISING FIRST, SECOND, THIRD, AND FOURTH BRIDGE TERMINALS, MEANS FOR CONNECTING SAID MEASURING CAPACITOR BETWEEN SAID FIRST AND SECOND BRIDGE TERMINALS, MEANS FOR CONNECTING SAID COMPENSATING CAPACITOR BETWEEN SAID SECOND AND THIRD BRIDGE TERMINALS, AN A.C. VOLTAGE SOURCE, MEANS FOR CONNECTING SAID VOLTAGE SOURCE ACROSS SAID FIRST AND THIRD BRIDGE TERMINALS, A FIRST IMPEDANCE ELEMENT CONNECTED BETWEEN SAID FIRST AND FOURTH BRIDGE TERMINALS, AND A SECOND IMPEDANCE ELEMENT CONNECTED BETWEEN SAID THIRD AND FOURTH BRIDGE TERMINALS; (3) AN OUTPUT CIRCUIT COMPRISING MEANS FOR AMPLIFYING THE VOLTAGE BETWEEN SAID SECOND AND FOURTH BRIDGE TERMINALS, A PHASE DETECTOR, MEANS FOR APPLYING THE THUS AMPLIFIED VOLTAGE TO A FIRST INPUT OF SAID PHASE DETECTOR, MEANS FOR APPLYING THE OUTPUT OF SAID VOLTAGE SOURCE TO A SECOND INPUT OF SAID PHASE DETECTOR, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID PHASE DETECTOR TO CHANGE SAID VALVE MEANS FROM ONE OF SAID FIRST AND SECOND POSITIONS TO THE OTHER; AND (4) SAID GRAVITY-CAPACITANCE PROBE COMPRISING A MAIN FLOAT POSITIONED IN SAID CRUDE OIL, A HYDROMETER FLOAT, A BODY OF DIELECTRIC MATERIAL SECURED TO SAID HYDROMETER FLOAT, SAID COMPENSATING CAPACITOR BEING SECURED TO SAID MAIN FLOAT AND HAVING FIRST AND SECOND SPACED APART ELECTRODES TO DEFINE A CHAMBER FOR RECEIVING SAID BODY, AND MEANS FOR RESTRAINING THE MOTION OF SAID BODY, TO MAINTAIN IT IN ALIGNMENT WITH SAID CHAMBER WHILE RELATIVE MOTION OCCURS BETWEEN SAID BODY AND SAID COMPENSATING CAPACITOR.