That is about it for the content, believe it or not; it is direct and straightforward without any fluff or nonsense. You are simply covering each detail so the seller knows exactly what the buyer intends to do. Having an informal letter of intent also allows for easy negotiations.
However, during the same period, on January 6, another oil company, Texaco, came into the picture as it publicly announced that Texaco and Getty Oil would merge. Pennzoil protested the proposed merger, and Getty Oil filed a law suit for the court to issue a declaratory judgment that it was not bound by any contract it had with Pennzoil.