Downhole hydrogen sulfide scavenging in drilling mud using iron

Details Downhole hydrogen sulfide scavenging in drilling mud using iron Downhole hydrogen sulfide scavenging in drilling mud using iron

1986-05-07

1988-07-12

Fisher, Richard V.

Liquid purification or separation

Processes

Chemical treatment

210758, 175 64, 166267, 252 8514, C09K 702, C23F 1110

Patent

active

047568364

ABSTRACT:
For drilling mud during use in drilling a well an additive of FE Chelate is disclosed. The chelating agent preferably includes EDTA, HEDTA, NTA, or DTPA. It is oxygen regenerated at the surface to enable repeated use to remove H.sub.2 S. Any H.sub.2 S is converted to elemental sulfur, reducing risk of poisoning.

REFERENCES:
patent: 3226320 (1965-12-01), Meuly et al.
patent: 3928211 (1975-12-01), Browning et al.
patent: 3933993 (1976-01-01), Salemme
patent: 4076621 (1978-02-01), Hardison
patent: 4091074 (1978-05-01), Gorai et al.
patent: 4147212 (1979-04-01), Tisdale
patent: 4252655 (1981-02-01), Carney
patent: 4324298 (1982-04-01), Fox
patent: 4473115 (1984-09-01), Oakes
patent: 4539122 (1985-09-01), Son et al.
Garrett, et al, "Chemical Scavengers for Sulfides in Water-Base Drilling Fluids," Journal of Petroleum Technology, Jun. 1979, pp. 787-796.

Affiliated with

Also associated with

Rating

Downhole hydrogen sulfide scavenging in drilling mud using iron does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Downhole hydrogen sulfide scavenging in drilling mud using iron , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Downhole hydrogen sulfide scavenging in drilling mud using iron will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-662899