THERMAL CONDUCTIVITY PROBE

1 - 18 . (canceled)

19 . A computer process performed using a thermal conductivity probe, the process comprising:

controlling a heating element of the thermal conductivity probe to emit heat;

measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat, the first sensor and the second sensor being thermally isolated from the heating element in the thermal conductivity probe;

determining thermal conductivity of geological material based on an average of the temperatures measured with the first sensor and the second sensor.

20 . The computer process of claim 19 , wherein the controlling a heating element of the thermal conductivity probe to emit heat comprises:

controlling a heating element of the thermal conductivity probe to emit heat for a specified period of time.

21 . The computer process of claim 19 , wherein the controlling a heating element of the thermal conductivity probe to emit heat comprises:

controlling a heating element of the thermal conductivity probe to emit heat to a specified temperature level between 50° Celsius and 200° Celsius.

22 . The computer process of claim 19 , wherein the controlling a heating element of the thermal conductivity probe to emit heat comprises:

controlling a heating element of the thermal conductivity probe to emit heat in response to detected lack of movement.

23 . The computer process of claim 19 , wherein the measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat comprises:

measuring temperatures continuously with a first sensor and a second sensor of the thermal conductivity probe.

24 . The computer process of claim 19 , wherein the measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat comprises:

measuring temperatures with a first sensor and a second sensor of the thermal conductivity probe intermittently at one or more intervals.

25 . The computer process of claim 19 , wherein the measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat comprises:

measuring temperatures with a first sensor and a second sensor of the thermal conductivity probe at one or more times while the heating element is emitting heat.

26 . The computer process of claim 19 , wherein the measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat comprises:

measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat, the first sensor and the second sensor being thermally isolated from and equidistant to the heating element in the thermal conductivity probe.

27 . The computer process of claim 19 , wherein the measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat comprises:

measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe in response to the heating element emitting heat, the first sensor and the second sensor being separated by the heating element in the thermal conductivity probe.

28 . The computer process of claim 19 , wherein the determining thermal conductivity of geological material based on an average of the temperatures measured with the first sensor and the second sensor comprises:

determining thermal conductivity of geological material based an average temperature gain of between 1° Celsius and 20° Celsius over ambient temperature.

29 . The computer process of claim 19 , wherein the determining thermal conductivity of geological material based on an average of the temperatures measured with the first sensor and the second sensor comprises:

determining thermal conductivity of geological material based on a mean temperature gain after a specified time.

30 . The computer process of claim 19 , wherein the determining thermal conductivity of geological material based on an average of the temperatures measured with the first sensor and the second sensor comprises:

determining thermal conductivity of geological material based on an average of the temperatures measured with the first sensor and the second sensor and based on at least one distance of the first sensor or the second sensor from the heating element.

31 . The computer process of claim 19 , wherein the determining thermal conductivity of geological material based on an average of the temperatures measured with the first sensor and the second sensor comprises:

determining thermal conductivity of at least one of the following types of geological material: sand, clay, silt, loam, peat, rock, fill, sediment, deposits, or combination thereof.

32 . The computer process of claim 19 , further comprising:

controlling a device to push the thermal conductivity probe into the geological material.

33 . The computer process of claim 32 , further comprising:

obtaining cone penetration testing (CPT) data using one or more CPT sensors as the thermal conductivity probe advances into the geological material, including at least one of the following: sleeve friction, pore pressure, or tip resistance.

34 . The computer process of claim 33 , further comprising:

geolocating at least one of sleeve friction, pore pressure, or tip resistance data with the cone penetration testing data.

35 . The computer process of claim 19 , further comprising:

controlling the heating element of the thermal conductivity probe to stop emitting heat; and

measuring additional temperatures over time with the first sensor and the second sensor of the thermal conductivity probe after the heating element stops emitting heat; and

determining a heat loss factor for the geological material based on a mean temperature decay obtained using the additional temperatures measured over time after the heating element stops emitting heat.

36 . A method of using a thermal conductivity probe, the process comprising:

pushing the thermal conductivity probe into a subsurface;

heating the subsurface for a given time using a heating element of the thermal conductivity probe;

measuring temperatures at one or more times with a first sensor and a second sensor of the thermal conductivity probe, the first sensor and the second sensor being thermally isolated from the heating element in the thermal conductivity probe;

determining a heat loss factor for the subsurface based on an average of the temperatures measured with the first sensor and the second sensor.

37 . A thermal conductivity probe comprising:

at least one heating element;

at least one thermal insulator; and

at least two temperature sensors equidistant from the at least one heating element and thermally isolated from the at least one heating element by the at least one thermal insulator; and

at least one processor is configured to determine heat loss or thermal conductivity based on an average of temperatures sampled from the at least two temperature sensors following energizing of the at least one heating element.