Petroleum Museum Coffee Mug View cart “Pumping Unit Business Card Holder” has been added to your cart. $18.99 Warm up your mornings with this classic coffee mug featuring the Museum’s logo on one side and our trademark pair of pumpjacks on the other. 11 oz. capacity In stock Petroleum Museum Coffee Mug quantity — OR — Add to cart Categories: Drinkware, Museum Souvenirs Related products Novelty Pen Read more “THE WORKING MAN” PRINT $45.00 Add to cart WILDCATTER: THE AUTHENTIC OIL & GAS EXPLORATION GAME $39.99 Add to cart “PLANNING FOR GOLD ON BLACK MOUNTAIN” PRINT $45.00 Add to cart