| Company Name | Symbol | Price | Prev. Close | Volume | % Change | Change |
|---|---|---|---|---|---|---|
| Cameron International Corp. | CAM | 65.38 | 64.74 | 1,406,467 | +0.99% |
+0.64 |
| Basic Energy Services | BAS | 14.57 | 14.15 | 650,968 | +2.97% |
+0.42 |
| Core Laboratories N.V. | CLB | 147.08 | 146.71 | 78,921 | +0.25% |
+0.37 |
| Tesco Corp | TESO | 13.40 | 13.05 | 220,605 | +2.68% |
+0.35 |
| Weatherford International Ltd. | WFT | 14.60 | 14.34 | 8,454,514 | +1.82% |
+0.26 |
| Bolt Technology Corp. | BOLT | 16.65 | 16.45 | 3,226 | +1.22% |
+0.20 |
| Oceaneering International, Inc. | OII | 76.18 | 75.99 | 236,036 | +0.25% |
+0.19 |
| CGG | CGG | 25.89 | 25.71 | 25,921 | +0.70% |
+0.18 |
| National-Oilwell, Inc. | NOV | 70.33 | 70.17 | 2,613,572 | +0.23% |
+0.16 |
| Exterran Partners, L.P. Common Units representing Limited Partner Interests | EXLP | 28.80 | 28.66 | 99,837 | +0.49% |
+0.14 |
| FMC Technologies, Inc. | FTI | 58.85 | 58.73 | 660,568 | +0.20% |
+0.12 |
| RPC, Inc. | RES | 13.45 | 13.36 | 452,239 | +0.67% |
+0.09 |
| Cal Dive International | DVR | 2.090 | 2.010 | 4,199,322 | +3.98% |
+0.08 |
| Dawson Geophysical Co | DWSN | 38.06 | 37.99 | 56,612 | +0.18% |
+0.07 |
| Schlumberger Ltd. | SLB | 77.47 | 77.42 | 4,684,203 | +0.06% |
+0.05 |
| Baker Hughes, Inc. | BHI | 48.26 | 48.22 | 1,612,274 | +0.08% |
+0.04 |
| Newpark Resources, Inc. | NR | 11.59 | 11.57 | 256,289 | +0.17% |
+0.02 |
| North American Energy Partners | NOA | 3.650 | 3.660 | 35,284 | -0.27% |
-0.01 |
| Warren Resources, Inc. | WRES | 2.960 | 2.990 | 495,957 | -1.00% |
-0.03 |
| Superior Energy Services, Inc. | SPN | 28.83 | 28.86 | 828,995 | -0.10% |
-0.03 |
| Zion Oil & Gas, Inc. | ZN | 1.688 | 1.750 | 137,087 | -3.54% |
-0.06 |
| Synergy Resources Corp | SYRG | 6.520 | 6.600 | 132,178 | -1.21% |
-0.08 |
| TGC Industries, Inc. | TGE | 8.950 | 9.050 | 20,232 | -1.10% |
-0.10 |
| Lufkin Industries, Inc. | LUFK | 88.20 | 88.30 | 645,004 | -0.11% |
-0.10 |
| TETRA Technologies | TTI | 10.14 | 10.30 | 291,458 | -1.55% |
-0.16 |
| Willbros Group, Inc. | WG | 6.939 | 7.110 | 506,385 | -2.41% |
-0.17 |
| Exterran Holdings | EXH | 29.48 | 29.71 | 175,777 | -0.77% |
-0.23 |
| Helix Energy Solutions Group | HLX | 25.60 | 25.84 | 408,008 | -0.93% |
-0.24 |
| Dril-Quip, Inc. | DRQ | 92.67 | 93.26 | 170,568 | -0.63% |
-0.59 |
| Halliburton Co. | HAL | 44.92 | 45.55 | 13,604,731 | -1.37% |
-0.62 |
| Natural Gas Services Group, Inc. | NGS | 22.55 | 23.23 | 43,092 | -2.93% |
-0.68 |
| Oil States International, Inc. | OIS | 102.22 | 103.01 | 492,712 | -0.77% |
-0.79 |
| Carbo Ceramics, Inc. | CRR | 71.84 | 72.88 | 143,080 | -1.43% |
-1.04 |