Analysis of the Role of Informative Construction Management System in Improving the Safety of Oil and Gas Pipeline Construction and Its Efficiency

Figure 1.

Figure 2.

Item number statistics

Item number	Construction 1	Construction 2	Construction 3	Construction 4	Construction 5
Name	West-East Gas Pipeline Project Phase I	West-East Gas Pipeline Project Phase II	West-East Gas Pipeline Project Phase III	West-East Gas Pipeline Project Phase IV	Shaanxi-Beijing Gas Pipeline Project Phase I
Management type	Traditional safety management	Traditional safety management	Ours	Traditional safety management	Traditional safety management

Integrated evaluation value ordering

Item number	Construction 1	Construction 2	Construction 3	Construction 4	Construction 5
Score	3.897	3.674	3.969	3.281	3.297
Sort	2	3	1	5	4

Safety risk management evaluation index system

Primary indicator	Secondary indicator
Risk planning management (RP)	Collect the information of the oil and gas pipeline (RP1)
	Participants who determine the risk of construction (RP2)
	Establish the risk management process planning file (RP3)
Risk identification (RI)	Analyze risk categories (RI1)
	Determine the risk content and infer the result (RI2)
	Report on risk identification (RI3)
Risk analysis (RA)	Estimated risk occurrence probability (RA1)
	Analyze the scope and severity of risk (RA2)
	Analyze risk acceptance (RA3)
Risk response (RR)	Collect project status and develop risk response measures (RR1)
	Implement the risk response plan (RR2)
Risk monitoring (RM)	The risk response measures are performed and the effect (RM1)
	Tracking risk dynamic development (RM2)
	Analyze risk variation (RM3)
Summary and recommendation (CS)	Experience of risk management (CS1)
	Technical reserve improvement (CS2)
	Organizational culture (CS3)

Total variance interpretation

Constituent	Initial eigenvalue			Extracting the load of the load
	Total	Percentage of variance	Cumulation	Total	Percentage of variance	Cumulation
1	1.138	63.663	63.663	1.138	63.663	63.663
2	1.099	19.368	83.031	1.099	19.368	83.031
3	1.038	10.77	93.801	-	-	-
4	0.955	3.125	96.926	-	-	-
5	0.896	2.896	99.822	-	-	-
6	0.874	0.178	100	-	-	-

Pearson correlation test

	X1	X2	X3	Y1	Y2
X1	1	-	-	-	-
X2	0.637**	1	-	-	-
X3	0.553**	0.726**	1	-	-
Y1	0.59**	0.717**	0.511**	1	-
Y2	-0.663**	-0.595**	-0.593**	-0.365**	1

Efficiency summary

Decision unit	Integrated efficiency	Pure technical efficiency	Scale efficiency
1	0.737	0.398	0.933
2	0.576	0.765	0.945
3	0.733	0.695	0.935
4	0.545	0.789	0.967
5	1	1	1
6	1	1	1
7	0.866	0.995	0.998
8	0.742	0.703	1
9	1	1	1
10	0.902	1	0.943

KMO and Bartlett tests

Categories		Numerical value
KMO sampling availability number		0.933
Bartlett sphericity test	Approximate card	2796.33
	df	138
	p	0.001

The number of actual accidents in the project

Item number	Construction 1	Construction 2	Construction 3	Construction 4	Construction 5
Death toll	0	1	0	3	5
Hurt number	4	6	1	7	9
Number of accidents	2	3	1	5	4

Component score coefficient matrix

Potential variable	Constituent
	1	2
RP	0.211	-0.274
RI	0.129	0.689
RA	0.241	-0.136
RR	0.217	0.389
RM	0.239	-0.161
CS	0.184	-0.32

Descriptive statistics

Variables	N	Min	Max	M	Std.Dev
X1	10	15	196	78.228	51.711
X2	10	7	22	12.076	4.471
X3	10	6	40	18.06	8.874
Y1	10	293	716	471.701	110.761
Y2	10	51	544	297.025	119.131

Reliability test results

Potential variable	Number of observed indicators	Alpha	Total Alpha
RP	3	0.836	0.916
RI	3	0.914
RA	3	0.963
RR	2	0.796
RM	3	0.805
CS	3	0.812