| Company Name | Symbol | Price | Prev. Close | Volume | % Change | Change |
|---|---|---|---|---|---|---|
| Core Laboratories N.V. | CLB | 142.82 | 144.82 | 401,827 | -1.38% |
-2.00 |
| Oil States International, Inc. | OIS | 99.09 | 99.98 | 1,362,550 | -0.89% |
-0.89 |
| Halliburton Co. | HAL | 43.52 | 44.02 | 11,128,302 | -1.14% |
-0.50 |
| FMC Technologies, Inc. | FTI | 57.01 | 57.46 | 1,296,958 | -0.78% |
-0.45 |
| Superior Energy Services, Inc. | SPN | 28.39 | 28.77 | 1,368,804 | -1.32% |
-0.38 |
| Cameron International Corp. | CAM | 63.25 | 63.62 | 1,181,673 | -0.58% |
-0.37 |
| Baker Hughes, Inc. | BHI | 47.07 | 47.40 | 2,756,190 | -0.70% |
-0.33 |
| National-Oilwell, Inc. | NOV | 68.90 | 69.17 | 5,488,977 | -0.39% |
-0.27 |
| TETRA Technologies | TTI | 9.640 | 9.900 | 579,214 | -2.63% |
-0.26 |
| Oceaneering International, Inc. | OII | 74.06 | 74.31 | 649,380 | -0.34% |
-0.25 |
| Basic Energy Services | BAS | 13.67 | 13.91 | 584,022 | -1.73% |
-0.24 |
| Schlumberger Ltd. | SLB | 75.38 | 75.58 | 6,712,825 | -0.26% |
-0.20 |
| North American Energy Partners | NOA | 4.270 | 4.330 | 81,403 | -1.39% |
-0.06 |
| Tesco Corp | TESO | 12.58 | 12.63 | 0 | -0.40% |
-0.05 |
| Zion Oil & Gas, Inc. | ZN | 1.700 | 1.730 | 0 | -1.73% |
-0.03 |
| Natural Gas Services Group, Inc. | NGS | 21.95 | 21.98 | 66,598 | -0.14% |
-0.03 |
| Newpark Resources, Inc. | NR | 11.35 | 11.35 | 603,193 | 0.00% |
+0.00 |
| Cal Dive International | DVR | 2.010 | 2.000 | 544,129 | +0.50% |
+0.01 |
| Warren Resources, Inc. | WRES | 2.930 | 2.890 | 0 | +1.38% |
+0.04 |
| Willbros Group, Inc. | WG | 6.800 | 6.740 | 432,735 | +0.89% |
+0.06 |
| Lufkin Industries, Inc. | LUFK | 88.30 | 88.23 | 0 | +0.08% |
+0.07 |
| CGG | CGG | 25.18 | 25.06 | 8,916 | +0.48% |
+0.12 |
| TGC Industries, Inc. | TGE | 8.950 | 8.810 | 0 | +1.59% |
+0.14 |
| Bolt Technology Corp. | BOLT | 17.00 | 16.85 | 0 | +0.89% |
+0.15 |
| Carbo Ceramics, Inc. | CRR | 70.05 | 69.90 | 229,262 | +0.21% |
+0.15 |
| Dril-Quip, Inc. | DRQ | 91.27 | 91.11 | 299,809 | +0.18% |
+0.16 |
| RPC, Inc. | RES | 13.47 | 13.31 | 488,388 | +1.20% |
+0.16 |
| Synergy Resources Corp | SYRG | 6.730 | 6.560 | 172,307 | +2.59% |
+0.17 |
| Helix Energy Solutions Group | HLX | 24.63 | 24.38 | 1,354,010 | +1.03% |
+0.25 |
| Exterran Partners, L.P. Common Units representing Limited Partner Interests | EXLP | 29.36 | 28.79 | 0 | +1.98% |
+0.57 |
| Dawson Geophysical Co | DWSN | 37.39 | 35.84 | 0 | +4.32% |
+1.55 |