HIGHLIGHTS
- who: Hongping Quan and colleagues from the School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, China have published the research work: Copolymer SJ-1 as a Fluid Loss Additive for Drilling Fluid with High Content of Salt and Calcium, in the Journal: (JOURNAL) of 18/08/2014
- how: The chemical structure of SJ-1 was analyzed by FTIR after being purified the results were shown in Figure 1. The result showed that the weight average molecular weight was 8.1 × 105 and the number average molecular was 6.2 × 105.
SUMMARY . . .
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