A kinetic penetrator for multistatic geophysical sensing includes a tubular body having a first end and a second end, a nose coupled to the first end of the tubular body, and a sensing element coupled to at least one of the tubular body and the nose. The nose is configured to penetrate a ground surface and subsurface materials of a subterranean ground volume. The sensing element is configured to interface with an external geophysical sensing system.

A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings. An external bumper is provided to promote ocean bottom coupling and prevent fishing net entrapment. Pods are tethered together with flexible, non-rigid, non-conducting cable used to control pod deployment. Pods are deployed and retrieved from a boat deck configured to have a storage system and a handling system to attach pods to cable on-the-fly. The storage system is a juke box configuration of slots wherein individual pods are randomly stored in the slots to permit data extraction, charging, testing and synchronizing without opening the pods. A pod may include an inertial navigation system to determine ocean floor location and a rubidium clock for timing. The system includes mathematical gimballing. The cable may include shear couplings designed to automatically shear apart if a certain level of cable tension is reached.

A system and method for coupling geophysical sensors is provided. A method for deploying a geophysical sensor includes treating an installation location with a soil stabilizing material. The method also includes pressing a die (906) into the installation location and after a predetermined time period, removing the die from the installation location. The method further includes installing a geophysical sensor in the installation location.

A multi-axis, single mass acceleration sensor includes a three-dimensional frame, a test mass, a plurality of transducers, and a plurality of struts. The test mass may have three principal axes disposed within and spaced apart from the frame. The transducers are mechanically coupled to the frame. The struts are configured to couple to the central mass at each of the three principal axes, respectively, and to couple with respective sets of the transducers, thereby suspending the test mass within the frame. The sensor is thus responsive to translational motion in multiple independent directions and to rotational motion about multiple independent axes.

A downhole seismic array is disclosed. The array comprises a load-bearing cable for carrying a series of seismic sensor units arranged along its length. Each seismic sensor unit is attached to the load-bearing cable via a vibration-absorbing material and has a magnet to attach the seismic sensor unit to the well casing.

A wind turbine system and to a method for operating said system is disclosed. The system further comprises a detection device configured for detecting body waves generated by an earthquake. In one aspect, the present disclosure is directed to a system comprising a wind turbine, in particular to an onshore erected wind turbine, a wind turbine controller for controlling the wind turbine, and at least one detection device, which is connected to the wind turbine controller for transmitting signals. The wind turbine includes at least a rotor having at least one rotor blade, wherein the rotor is rotatably mounted to rotation support means of the wind turbine, and a tower having a top end for supporting the rotation support means and a support end. The detection device is configured to detect and measure earthquake generated primary waves (P-waves). The detection device may include at least one sensor or a plurality of sensors, wherein the sender is configured to detect and/or measure earthquake generated P-waves. Such sensor may be further configured to detect an acceleration caused by the earthquake using a built-in accelerometer and then to calculate and output a synthetic acceleration, and to provide an estimated Japan Meteorological Agency seismic intensity scale (shindo scale) value.

A method for distributing geophones around a seismic data source includes distributing a first geophones each including a first piezoelectric system in a first region in which the seismic data source is located then distributing second geophones each including a solar cell in a second region surrounding the first region. The second geophones further include a housing, a spike provided on a bottom surface of the housing, a sensor configured to sense seismic data; a processor configured to process the seismic data, a transceiver configured to transmit the processed seismic data and receive radio frequency (RF) signals wirelessly; and a power device. The power device is coupled to the sensor, the processor and the transceiver. The power device is configured to harvest energy from an environment where the geophone is located. The power device includes a solar cell provided on a top surface of the housing, a piezoelectric system provided on an edge of the housing adjacent to the top surface, and a thermoelectric generator provided on a bottom surface of the housing and a surface of the spike.

A seismic sensor assembly includes a sensor body; cable connectors operatively coupled to the sensor body; and a grounding clamp operatively coupled to the cable connectors. A lightning strike kit for a seismic sensor assembly can include the grounding clamp as an electrically conductive component for electrical coupling to a base and/or a spike of a seismic sensor assembly.

The tool comprises-: a support comprising at least a lower surface intended to rest on the ground; a lifting system, carried by the support, the lifting system having at least a movable extraction member able to cooperate with the seismic apparatus and an actuator able to actuate the extraction member to lift the seismic apparatus out of the ground, the distance separating vertically the lower surface from the lifting system being at most 2 m.

A seismic sensor stake, system and method configured to orientate three seismic 1C sensors orthogonally in the X, Y, and Z directions. The present technology stake is configured to efficiently and effectively convert three independent seismic sensors into a single three seismic sensor unit. Multiple stakes can be inserted into the ground of a geographical area to provide highly accurate seismic survey of subterranean hydrocarbon formations. Each seismic sensor can include a slot that slidable receives a threaded member of a mounting sides of the stake. A retaining nut can secure the seismic sensor in place upon rotation of the sensor. A stake bit can be utilized with an impact hammer to form holes in hard or frozen ground for quick insertion of the stake into the ground.