Your search National Labor Relations Board, Petitioner, v. Joe Smith and Ray Boling, D/b/a Chaparral Drilling Company,respondents.no. 30047 Summary Calendar.**rule 18, 5 Cir.; See Isbell Enterprises, Inc v. Citizens Casualty Co. of New York et al., 5 Cir. 1970, 431 F.2d 409 did not match any document.