Theoretically, in vitro fertilisation could be performed by collecting the contents from a woman's fallopian tubes or uterus after natural ovulation, mixing it with sperm, and reinserting the fertilised ova into the uterus.
Upstream operations deal primarily with the exploration stages of the oil and gas industry, with upstream firms taking the first steps to first locate, test and drill for oil and gas. Later, once reserves are proven, upstream firms will extract any oil and gas from the reserve.
Description. Swift Energy Company (Swift Energy) is an independent oil and gas company engaged in developing, exploring, acquiring, and operating oil and gas properties. The Company's primary focus is on the Eagle Ford trend of South Texas and the onshore and inland waters of Louisiana.