Patent ID: 11927072
Assignee: OURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS INDUSTRIAIS S/A
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 6:
7. A valve for downhole chemical injection control, to reduce or eliminate incrustations and oxidation in downhole columns, said valve comprising:
a single chemical injection fluid line connected to said valve,
a multi-position dosing sphere, having a plurality of chemical injection fluid passages, for dosing the chemical injection fluid and in fluid communication with said single chemical injection fluid line;
an electric motor;
a single electrical cable extending from above ground, well side, connected to said electric motor; and
a transmission shaft, connecting said electric motor to said multi-position dosing sphere to rotate said multi-position sphere for selecting a passage to receive and transmit chemical injection fluid into a column.