Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1981-08-18
1983-08-23
Tung, T.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204147, 204286, 204297R, C23F 1300
Patent
active
044002599
ABSTRACT:
A cathodic protection system having a deep bed anode assembly including a readily replaceable anode. The anode assembly is located within a deep bore hole which is filled with an electrically conductive particulate material up to a predetermined height. The assembly comprises a base assembly located on the bottom of the bore hole, a first conduit extending the full length of the bore hole to the base, and a second conduit connected to the first conduit adjacent the top of the bore hole and extending to a depth slightly below the height of the conductive material and a third conduit extending the full length of the bore hole and perforated along the portion within the electrically conductive material. A small diameter wire electrode extends through the electrically conductive material and is connected at its upper end in a cable extending through the first conduit and at its lower end in a cable passing through the base assembly and the first conduit. Both cables are connected to a rectifier located on the surface remote from the bore hole. Rope guide means are connected to the two cables and extend parallel with the assembly of the cables and anode.
REFERENCES:
patent: 2916429 (1959-12-01), Vossnack et al.
patent: 3458643 (1969-07-01), Dorr
patent: 3725669 (1973-04-01), Tatum
patent: 4056446 (1977-11-01), Vennett
patent: 4089767 (1978-05-01), Sabins
patent: 4170532 (1979-10-01), Tatum
patent: 4251343 (1981-02-01), Peterson et al.
Matcor, Inc.
Tung T.
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