Wellbore E-field wireless communication system
A wellbore E-field wireless communication system, the communication system comprising a first E-field antenna, and a second E-field antenna, wherein the first antenna, and the second antenna are both arranged in a common compartment, such as an annulus of a wellbore and further arranged for transferring a signal between a first connector of the first E-field antenna and a second connector of the second E-field antenna by radio waves.
1. A wellbore wireless communication system, said communication system comprising:
a first E-field antenna; and
a second E-field antenna;
wherein said first antenna, and said second antenna are both arranged in a common compartment of a wellbore and further arranged for transferring a signal between said first E-field antenna and said second E-field antenna;
wherein said first E-field antenna comprises a first dipole antenna;
wherein one leg of said first dipole antenna is a tubing, liner or casing of said wellbore, and said system further comprises a layer of dielectric insulation between said first leg and a second leg of said first dipole antenna, such that said tubing, liner or casing is an active element of said dipole antenna.
2. A wellbore wireless communication system according to claim 1 , comprising:
a control system;
a wellbore instrument;
a first E-field transceiver connected to said control system and said first E-field antenna;
a second E-field transceiver connected to said wellbore instrument and said second antenna;
wherein said wireless communication system is arranged for transferring a communication signal between said control system and said wellbore instrument via said first and second E-field antennas.
3. A wellbore wireless communication system according to claim 2 , comprising:
a wellbore cable between said control system and said first E-field transceiver.
4. A wellbore wireless communication system according to claim 1 , wherein said second antenna comprises a second dipole antenna.
5. A wellbore wireless communication system according to claim 4 , wherein said second antenna is arranged in a lateral wellbore.
6. A wellbore wireless communication system according to claim 1 , wherein said second E-field antenna comprises a first toroidal inductor.
7. A wellbore wireless communication system according to claim 1 , wherein said system comprises a metallic resonator surrounding said first antenna and said second antenna.
8. A wellbore wireless communication system according to claim 7 , wherein the resonator extends into a lateral wellbore.
9. A wellbore wireless communication system, said communication system comprising:
a first E-field antenna; and
a second E-field antenna;
wherein said first antenna, and said second antenna are both arranged in a common compartment of a wellbore and further arranged for transferring a signal between said first E-field antenna and said second E-field antenna;
wherein said system comprises a metallic resonator surrounding said first antenna and said second antenna;
wherein the resonator comprises a metallic packer arranged to delimit the size of the compartment.
10. A wellbore wireless communication system according to claim 9 , wherein the resonator extends into a lateral wellbore.