Abstract: A method of drilling a wellbore system, including determining a conductive formation layer from a plurality of formation layers having a first well extending therethrough, the first well having a first work string therein, the first work string including a device, placing a second well at a distance from the first well, the distance selected to allow communication of an electrical signal between the first well and the second well through the conductive formation layer based on a resistivity of the electrically conductive formation layer, disposing a second work string in the second well, and communicating the electrical signal from the second work string to the first work string through the electrically conductive formation layer to operate the device.

Abstract: A method of drilling a wellbore system, including determining a conductive formation layer from a plurality of formation layers having a first well extending therethrough, the first well having a first work string therein, the first work string including a device, placing a second well at a distance from the first well, the distance selected to allow communication of an electrical signal between the first well and the second well through the conductive formation layer based on a resistivity of the electrically conductive formation layer, disposing a second work string in the second well, and communicating the electrical signal from the second work string to the first work string through the electrically conductive formation layer to operate the device.

Abstract: A battery charging arrangement including a communication borehole having a conductive component, a subject borehole having a conductive component, a surface conductor electrically connecting the communication borehole and the subject borehole, an inducer of a voltage difference between the communication borehole and the subject borehole, a portion of a formation in which the communication borehole and the subject borehole are defined, having a resistivity conducive of creation of a circuit, and a battery in one of the communication or subject boreholes configured to be charged using current from the circuit. A method for charging a battery in a downhole environment including electrically connecting at least two boreholes to one another, inducing voltage in the boreholes, creating a circuit through the boreholes and through a portion of a formation, charging the battery with the circuit.

Abstract: An embodiment of a system for communication with a downhole component includes a downhole component configured to be disposed in a first borehole in an earth formation, the first borehole including a first electrically conductive component, and a power source electrically connected via a conductor to the first conductive component and to a second electrically conductive component disposed in a second borehole, the power source configured to induce a voltage difference between the first conductive component and the second conductive component, the voltage difference causing electrical signals to propagate along an electric circuit that includes the first conductive component, the second conductive component and a region of an earth formation between the first borehole and the second borehole. The system a processor configured to control the power source and the voltage difference to transmit an electrical signal between the downhole component and a communication device via the electric circuit.

Abstract: A battery charging arrangement including a communication borehole having a conductive component, a subject borehole having a conductive component, a surface conductor electrically connecting the communication borehole and the subject borehole, an inducer of a voltage difference between the communication borehole and the subject borehole, a portion of a formation in which the communication borehole and the subject borehole are defined, having a resistivity conducive of creation of a circuit, and a battery in one of the communication or subject boreholes configured to be charged using current from the circuit. A method for charging a battery in a downhole environment including electrically connecting at least two boreholes to one another, inducing voltage in the boreholes, creating a circuit through the boreholes and through a portion of a formation, charging the battery with the circuit.

Abstract: An embodiment of a system for communication with a downhole component includes a downhole component configured to be disposed in a first borehole in an earth formation, the first borehole including a first electrically conductive component, and a power source electrically connected via a conductor to the first conductive component and to a second electrically conductive component disposed in a second borehole, the power source configured to induce a voltage difference between the first conductive component and the second conductive component, the voltage difference causing electrical signals to propagate along an electric circuit that includes the first conductive component, the second conductive component and a region of an earth formation between the first borehole and the second borehole. The system a processor configured to control the power source and the voltage difference to transmit an electrical signal between the downhole component and a communication device via the electric circuit.