Discuss early offshore oil drilling efforts in the Gulf of Mexico

Discuss early offshore oil drilling efforts in the Gulf of Mexico. Address the following; how did drilling in the Gulf of Mexico pose a challenge that did not exist with oil platforms off the CA coast, what lack of technologies made the venture such a challenge, how competing oil companies disseminated information about what they were learning (one formal and one informal), and why, in your opinion, did competitors in this environment choose to collaborate and share?